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Finding the Fourth Proportional to 155,891.20, 233,491.20 and 62,348.80

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Solution

The fourth proportional to 155,891.20, 233,491.20 and 62,348.80 is: 93,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,891.20 : 233,491.20 = 62,348.80 : x
  2. Step 2: Convert to fraction form
    155,891.20/233,491.20 = 62,348.80/x
  3. Step 3: Cross multiply
    155,891.20x = 233,491.20 × 62,348.80
  4. Step 4: Simplify right side
    155,891.20x = 14,557,896,130.56
  5. Step 5: Solve for x
    x = 14,557,896,130.56/155,891.20
  6. Step 6: Final answer
    x = 93,384.98

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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.