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Finding the Fourth Proportional to 73,707.18, 101,687.04 and 45,363.66

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Solution

The fourth proportional to 73,707.18, 101,687.04 and 45,363.66 is: 62,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,707.18 : 101,687.04 = 45,363.66 : x
  2. Step 2: Convert to fraction form
    73,707.18/101,687.04 = 45,363.66/x
  3. Step 3: Cross multiply
    73,707.18x = 101,687.04 × 45,363.66
  4. Step 4: Simplify right side
    73,707.18x = 4,612,896,308.97
  5. Step 5: Solve for x
    x = 4,612,896,308.97/73,707.18
  6. Step 6: Final answer
    x = 62,584.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.