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Finding the Fourth Proportional to 103,301.60, 154,952.40 and 29,429.60

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Solution

The fourth proportional to 103,301.60, 154,952.40 and 29,429.60 is: 44,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,301.60 : 154,952.40 = 29,429.60 : x
  2. Step 2: Convert to fraction form
    103,301.60/154,952.40 = 29,429.60/x
  3. Step 3: Cross multiply
    103,301.60x = 154,952.40 × 29,429.60
  4. Step 4: Simplify right side
    103,301.60x = 4,560,187,151.04
  5. Step 5: Solve for x
    x = 4,560,187,151.04/103,301.60
  6. Step 6: Final answer
    x = 44,144.40

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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.