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Finding the Fourth Proportional to 88,513.47, 122,149.13 and 52,704.99

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Solution

The fourth proportional to 88,513.47, 122,149.13 and 52,704.99 is: 72,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,513.47 : 122,149.13 = 52,704.99 : x
  2. Step 2: Convert to fraction form
    88,513.47/122,149.13 = 52,704.99/x
  3. Step 3: Cross multiply
    88,513.47x = 122,149.13 × 52,704.99
  4. Step 4: Simplify right side
    88,513.47x = 6,437,868,411.63
  5. Step 5: Solve for x
    x = 6,437,868,411.63/88,513.47
  6. Step 6: Final answer
    x = 72,733.21

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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.