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Finding the Fourth Proportional to 219,275.10, 328,933.31 and 61,502.90

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Solution

The fourth proportional to 219,275.10, 328,933.31 and 61,502.90 is: 92,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,275.10 : 328,933.31 = 61,502.90 : x
  2. Step 2: Convert to fraction form
    219,275.10/328,933.31 = 61,502.90/x
  3. Step 3: Cross multiply
    219,275.10x = 328,933.31 × 61,502.90
  4. Step 4: Simplify right side
    219,275.10x = 20,230,350,519.42
  5. Step 5: Solve for x
    x = 20,230,350,519.42/219,275.10
  6. Step 6: Final answer
    x = 92,260.14

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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.