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Finding the Fourth Proportional to 151,207.40, 226,811.10 and 145,063.40

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Solution

The fourth proportional to 151,207.40, 226,811.10 and 145,063.40 is: 217,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,207.40 : 226,811.10 = 145,063.40 : x
  2. Step 2: Convert to fraction form
    151,207.40/226,811.10 = 145,063.40/x
  3. Step 3: Cross multiply
    151,207.40x = 226,811.10 × 145,063.40
  4. Step 4: Simplify right side
    151,207.40x = 32,901,989,323.74
  5. Step 5: Solve for x
    x = 32,901,989,323.74/151,207.40
  6. Step 6: Final answer
    x = 217,595.10

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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.