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Finding the Fourth Proportional to 100,845,009.60, 151,267,514.40 and 100,845,009.60

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Solution

The fourth proportional to 100,845,009.60, 151,267,514.40 and 100,845,009.60 is: 151,267,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845,009.60 : 151,267,514.40 = 100,845,009.60 : x
  2. Step 2: Convert to fraction form
    100,845,009.60/151,267,514.40 = 100,845,009.60/x
  3. Step 3: Cross multiply
    100,845,009.60x = 151,267,514.40 × 100,845,009.60
  4. Step 4: Simplify right side
    100,845,009.60x = 15,254,573,941,836,138
  5. Step 5: Solve for x
    x = 15,254,573,941,836,138/100,845,009.60
  6. Step 6: Final answer
    x = 151,267,514.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.