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Finding the Fourth Proportional to 61,772.58, 92,437.43 and 53,481.15

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Solution

The fourth proportional to 61,772.58, 92,437.43 and 53,481.15 is: 80,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,772.58 : 92,437.43 = 53,481.15 : x
  2. Step 2: Convert to fraction form
    61,772.58/92,437.43 = 53,481.15/x
  3. Step 3: Cross multiply
    61,772.58x = 92,437.43 × 53,481.15
  4. Step 4: Simplify right side
    61,772.58x = 4,943,659,792.04
  5. Step 5: Solve for x
    x = 4,943,659,792.04/61,772.58
  6. Step 6: Final answer
    x = 80,030.00

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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.