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Finding the Fourth Proportional to 102,347.80, 153,543.30 and 32,234.20

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Solution

The fourth proportional to 102,347.80, 153,543.30 and 32,234.20 is: 48,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.80 : 153,543.30 = 32,234.20 : x
  2. Step 2: Convert to fraction form
    102,347.80/153,543.30 = 32,234.20/x
  3. Step 3: Cross multiply
    102,347.80x = 153,543.30 × 32,234.20
  4. Step 4: Simplify right side
    102,347.80x = 4,949,345,440.86
  5. Step 5: Solve for x
    x = 4,949,345,440.86/102,347.80
  6. Step 6: Final answer
    x = 48,358.10

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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.