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Finding the Fourth Proportional to 98,810.86, 148,239.91 and 32,251.11

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Solution

The fourth proportional to 98,810.86, 148,239.91 and 32,251.11 is: 48,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.86 : 148,239.91 = 32,251.11 : x
  2. Step 2: Convert to fraction form
    98,810.86/148,239.91 = 32,251.11/x
  3. Step 3: Cross multiply
    98,810.86x = 148,239.91 × 32,251.11
  4. Step 4: Simplify right side
    98,810.86x = 4,780,901,643.80
  5. Step 5: Solve for x
    x = 4,780,901,643.80/98,810.86
  6. Step 6: Final answer
    x = 48,384.37

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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.