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Finding the Fourth Proportional to 110,331, 152,259.21 and 60,030

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Solution

The fourth proportional to 110,331, 152,259.21 and 60,030 is: 82,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,331 : 152,259.21 = 60,030 : x
  2. Step 2: Convert to fraction form
    110,331/152,259.21 = 60,030/x
  3. Step 3: Cross multiply
    110,331x = 152,259.21 × 60,030
  4. Step 4: Simplify right side
    110,331x = 9,140,120,376.30
  5. Step 5: Solve for x
    x = 9,140,120,376.30/110,331
  6. Step 6: Final answer
    x = 82,842.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.