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Finding the Fourth Proportional to 79,425.16, 119,079.42 and 37,901.32

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Solution

The fourth proportional to 79,425.16, 119,079.42 and 37,901.32 is: 56,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,425.16 : 119,079.42 = 37,901.32 : x
  2. Step 2: Convert to fraction form
    79,425.16/119,079.42 = 37,901.32/x
  3. Step 3: Cross multiply
    79,425.16x = 119,079.42 × 37,901.32
  4. Step 4: Simplify right side
    79,425.16x = 4,513,267,202.83
  5. Step 5: Solve for x
    x = 4,513,267,202.83/79,425.16
  6. Step 6: Final answer
    x = 56,824.15

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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.