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Finding the Fourth Proportional to 148,892.70, 223,367.85 and 43,715.10

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Solution

The fourth proportional to 148,892.70, 223,367.85 and 43,715.10 is: 65,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,892.70 : 223,367.85 = 43,715.10 : x
  2. Step 2: Convert to fraction form
    148,892.70/223,367.85 = 43,715.10/x
  3. Step 3: Cross multiply
    148,892.70x = 223,367.85 × 43,715.10
  4. Step 4: Simplify right side
    148,892.70x = 9,764,547,899.54
  5. Step 5: Solve for x
    x = 9,764,547,899.54/148,892.70
  6. Step 6: Final answer
    x = 65,581.11

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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.