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Finding the Fourth Proportional to 151,705.80, 227,558.70 and 98,561.70

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Solution

The fourth proportional to 151,705.80, 227,558.70 and 98,561.70 is: 147,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,705.80 : 227,558.70 = 98,561.70 : x
  2. Step 2: Convert to fraction form
    151,705.80/227,558.70 = 98,561.70/x
  3. Step 3: Cross multiply
    151,705.80x = 227,558.70 × 98,561.70
  4. Step 4: Simplify right side
    151,705.80x = 22,428,572,321.79
  5. Step 5: Solve for x
    x = 22,428,572,321.79/151,705.80
  6. Step 6: Final answer
    x = 147,842.55

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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.