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Finding the Fourth Proportional to 77,143.01, 115,715.54 and 24,552.49

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Solution

The fourth proportional to 77,143.01, 115,715.54 and 24,552.49 is: 36,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,143.01 : 115,715.54 = 24,552.49 : x
  2. Step 2: Convert to fraction form
    77,143.01/115,715.54 = 24,552.49/x
  3. Step 3: Cross multiply
    77,143.01x = 115,715.54 × 24,552.49
  4. Step 4: Simplify right side
    77,143.01x = 2,841,104,815.10
  5. Step 5: Solve for x
    x = 2,841,104,815.10/77,143.01
  6. Step 6: Final answer
    x = 36,829.06

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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.