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Finding the Fourth Proportional to 73,197.61, 109,620.54 and 62,607.07

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Solution

The fourth proportional to 73,197.61, 109,620.54 and 62,607.07 is: 93,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197.61 : 109,620.54 = 62,607.07 : x
  2. Step 2: Convert to fraction form
    73,197.61/109,620.54 = 62,607.07/x
  3. Step 3: Cross multiply
    73,197.61x = 109,620.54 × 62,607.07
  4. Step 4: Simplify right side
    73,197.61x = 6,863,020,821.22
  5. Step 5: Solve for x
    x = 6,863,020,821.22/73,197.61
  6. Step 6: Final answer
    x = 93,760.18

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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.