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Finding the Fourth Proportional to 171,009.60, 256,514.40 and 101,025.60

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Solution

The fourth proportional to 171,009.60, 256,514.40 and 101,025.60 is: 151,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,009.60 : 256,514.40 = 101,025.60 : x
  2. Step 2: Convert to fraction form
    171,009.60/256,514.40 = 101,025.60/x
  3. Step 3: Cross multiply
    171,009.60x = 256,514.40 × 101,025.60
  4. Step 4: Simplify right side
    171,009.60x = 25,914,521,168.64
  5. Step 5: Solve for x
    x = 25,914,521,168.64/171,009.60
  6. Step 6: Final answer
    x = 151,538.40

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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.