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Finding the Fourth Proportional to 96,762.60, 133,531.45 and 54,320.82

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Solution

The fourth proportional to 96,762.60, 133,531.45 and 54,320.82 is: 74,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,762.60 : 133,531.45 = 54,320.82 : x
  2. Step 2: Convert to fraction form
    96,762.60/133,531.45 = 54,320.82/x
  3. Step 3: Cross multiply
    96,762.60x = 133,531.45 × 54,320.82
  4. Step 4: Simplify right side
    96,762.60x = 7,253,537,859.79
  5. Step 5: Solve for x
    x = 7,253,537,859.79/96,762.60
  6. Step 6: Final answer
    x = 74,962.21

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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.