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Finding the Fourth Proportional to 134,494.87, 201,695.15 and 39,699.76

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Solution

The fourth proportional to 134,494.87, 201,695.15 and 39,699.76 is: 59,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,494.87 : 201,695.15 = 39,699.76 : x
  2. Step 2: Convert to fraction form
    134,494.87/201,695.15 = 39,699.76/x
  3. Step 3: Cross multiply
    134,494.87x = 201,695.15 × 39,699.76
  4. Step 4: Simplify right side
    134,494.87x = 8,007,247,841.19
  5. Step 5: Solve for x
    x = 8,007,247,841.19/134,494.87
  6. Step 6: Final answer
    x = 59,535.71

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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.