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Finding the Fourth Proportional to 61,970.97, 93,293.67 and 56,459.73

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Solution

The fourth proportional to 61,970.97, 93,293.67 and 56,459.73 is: 84,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970.97 : 93,293.67 = 56,459.73 : x
  2. Step 2: Convert to fraction form
    61,970.97/93,293.67 = 56,459.73/x
  3. Step 3: Cross multiply
    61,970.97x = 93,293.67 × 56,459.73
  4. Step 4: Simplify right side
    61,970.97x = 5,267,335,418.91
  5. Step 5: Solve for x
    x = 5,267,335,418.91/61,970.97
  6. Step 6: Final answer
    x = 84,996.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.