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Finding the Fourth Proportional to 151,645.40, 227,516.70 and 101,781.80

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Solution

The fourth proportional to 151,645.40, 227,516.70 and 101,781.80 is: 152,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,645.40 : 227,516.70 = 101,781.80 : x
  2. Step 2: Convert to fraction form
    151,645.40/227,516.70 = 101,781.80/x
  3. Step 3: Cross multiply
    151,645.40x = 227,516.70 × 101,781.80
  4. Step 4: Simplify right side
    151,645.40x = 23,157,059,256.06
  5. Step 5: Solve for x
    x = 23,157,059,256.06/151,645.40
  6. Step 6: Final answer
    x = 152,705.32

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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.