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Finding the Fourth Proportional to 103,934.80, 155,671.80 and 62,462.80

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Solution

The fourth proportional to 103,934.80, 155,671.80 and 62,462.80 is: 93,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,934.80 : 155,671.80 = 62,462.80 : x
  2. Step 2: Convert to fraction form
    103,934.80/155,671.80 = 62,462.80/x
  3. Step 3: Cross multiply
    103,934.80x = 155,671.80 × 62,462.80
  4. Step 4: Simplify right side
    103,934.80x = 9,723,696,509.04
  5. Step 5: Solve for x
    x = 9,723,696,509.04/103,934.80
  6. Step 6: Final answer
    x = 93,555.73

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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.