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Finding the Fourth Proportional to 155,899.20, 233,503.20 and 62,356.80

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Solution

The fourth proportional to 155,899.20, 233,503.20 and 62,356.80 is: 93,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,899.20 : 233,503.20 = 62,356.80 : x
  2. Step 2: Convert to fraction form
    155,899.20/233,503.20 = 62,356.80/x
  3. Step 3: Cross multiply
    155,899.20x = 233,503.20 × 62,356.80
  4. Step 4: Simplify right side
    155,899.20x = 14,560,512,341.76
  5. Step 5: Solve for x
    x = 14,560,512,341.76/155,899.20
  6. Step 6: Final answer
    x = 93,396.97

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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.