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Finding the Fourth Proportional to 500,061.70, 750,016.38 and 163,101.86

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Solution

The fourth proportional to 500,061.70, 750,016.38 and 163,101.86 is: 244,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,061.70 : 750,016.38 = 163,101.86 : x
  2. Step 2: Convert to fraction form
    500,061.70/750,016.38 = 163,101.86/x
  3. Step 3: Cross multiply
    500,061.70x = 750,016.38 × 163,101.86
  4. Step 4: Simplify right side
    500,061.70x = 122,329,066,608.47
  5. Step 5: Solve for x
    x = 122,329,066,608.47/500,061.70
  6. Step 6: Final answer
    x = 244,627.95

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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.