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Finding the Fourth Proportional to 102,948.88, 154,423.32 and 36,352.48

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Solution

The fourth proportional to 102,948.88, 154,423.32 and 36,352.48 is: 54,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948.88 : 154,423.32 = 36,352.48 : x
  2. Step 2: Convert to fraction form
    102,948.88/154,423.32 = 36,352.48/x
  3. Step 3: Cross multiply
    102,948.88x = 154,423.32 × 36,352.48
  4. Step 4: Simplify right side
    102,948.88x = 5,613,670,651.83
  5. Step 5: Solve for x
    x = 5,613,670,651.83/102,948.88
  6. Step 6: Final answer
    x = 54,528.72

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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.