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Finding the Fourth Proportional to 223,224.60, 334,545.30 and 89,995.80

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Solution

The fourth proportional to 223,224.60, 334,545.30 and 89,995.80 is: 134,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,224.60 : 334,545.30 = 89,995.80 : x
  2. Step 2: Convert to fraction form
    223,224.60/334,545.30 = 89,995.80/x
  3. Step 3: Cross multiply
    223,224.60x = 334,545.30 × 89,995.80
  4. Step 4: Simplify right side
    223,224.60x = 30,107,671,909.74
  5. Step 5: Solve for x
    x = 30,107,671,909.74/223,224.60
  6. Step 6: Final answer
    x = 134,876.14

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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.