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Finding the Fourth Proportional to 103,332.70, 155,013.45 and 44,167.90

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Solution

The fourth proportional to 103,332.70, 155,013.45 and 44,167.90 is: 66,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,332.70 : 155,013.45 = 44,167.90 : x
  2. Step 2: Convert to fraction form
    103,332.70/155,013.45 = 44,167.90/x
  3. Step 3: Cross multiply
    103,332.70x = 155,013.45 × 44,167.90
  4. Step 4: Simplify right side
    103,332.70x = 6,846,618,558.26
  5. Step 5: Solve for x
    x = 6,846,618,558.26/103,332.70
  6. Step 6: Final answer
    x = 66,258.01

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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.