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Finding the Fourth Proportional to 101,498.44, 152,421.90 and 62,285.80

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Solution

The fourth proportional to 101,498.44, 152,421.90 and 62,285.80 is: 93,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,498.44 : 152,421.90 = 62,285.80 : x
  2. Step 2: Convert to fraction form
    101,498.44/152,421.90 = 62,285.80/x
  3. Step 3: Cross multiply
    101,498.44x = 152,421.90 × 62,285.80
  4. Step 4: Simplify right side
    101,498.44x = 9,493,719,979.02
  5. Step 5: Solve for x
    x = 9,493,719,979.02/101,498.44
  6. Step 6: Final answer
    x = 93,535.62

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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.