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Finding the Fourth Proportional to 217,508.76, 326,248.56 and 59,724

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Solution

The fourth proportional to 217,508.76, 326,248.56 and 59,724 is: 89,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,508.76 : 326,248.56 = 59,724 : x
  2. Step 2: Convert to fraction form
    217,508.76/326,248.56 = 59,724/x
  3. Step 3: Cross multiply
    217,508.76x = 326,248.56 × 59,724
  4. Step 4: Simplify right side
    217,508.76x = 19,484,868,997.44
  5. Step 5: Solve for x
    x = 19,484,868,997.44/217,508.76
  6. Step 6: Final answer
    x = 89,582.00

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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.