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Finding the Fourth Proportional to 64,339.93, 96,620.61 and 61,572.02

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Solution

The fourth proportional to 64,339.93, 96,620.61 and 61,572.02 is: 92,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.93 : 96,620.61 = 61,572.02 : x
  2. Step 2: Convert to fraction form
    64,339.93/96,620.61 = 61,572.02/x
  3. Step 3: Cross multiply
    64,339.93x = 96,620.61 × 61,572.02
  4. Step 4: Simplify right side
    64,339.93x = 5,949,125,879.12
  5. Step 5: Solve for x
    x = 5,949,125,879.12/64,339.93
  6. Step 6: Final answer
    x = 92,463.98

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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.