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Finding the Fourth Proportional to 77,567.59, 107,035.71 and 43,568.38

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Solution

The fourth proportional to 77,567.59, 107,035.71 and 43,568.38 is: 60,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567.59 : 107,035.71 = 43,568.38 : x
  2. Step 2: Convert to fraction form
    77,567.59/107,035.71 = 43,568.38/x
  3. Step 3: Cross multiply
    77,567.59x = 107,035.71 × 43,568.38
  4. Step 4: Simplify right side
    77,567.59x = 4,663,371,951.67
  5. Step 5: Solve for x
    x = 4,663,371,951.67/77,567.59
  6. Step 6: Final answer
    x = 60,120.11

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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.