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Finding the Fourth Proportional to 113,960.92, 170,962.04 and 57,064.50

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Solution

The fourth proportional to 113,960.92, 170,962.04 and 57,064.50 is: 85,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,960.92 : 170,962.04 = 57,064.50 : x
  2. Step 2: Convert to fraction form
    113,960.92/170,962.04 = 57,064.50/x
  3. Step 3: Cross multiply
    113,960.92x = 170,962.04 × 57,064.50
  4. Step 4: Simplify right side
    113,960.92x = 9,755,863,331.58
  5. Step 5: Solve for x
    x = 9,755,863,331.58/113,960.92
  6. Step 6: Final answer
    x = 85,607.10

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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.