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Finding the Fourth Proportional to 84,597.98, 116,737.43 and 48,781.07

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Solution

The fourth proportional to 84,597.98, 116,737.43 and 48,781.07 is: 67,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,597.98 : 116,737.43 = 48,781.07 : x
  2. Step 2: Convert to fraction form
    84,597.98/116,737.43 = 48,781.07/x
  3. Step 3: Cross multiply
    84,597.98x = 116,737.43 × 48,781.07
  4. Step 4: Simplify right side
    84,597.98x = 5,694,575,916.86
  5. Step 5: Solve for x
    x = 5,694,575,916.86/84,597.98
  6. Step 6: Final answer
    x = 67,313.38

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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.