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Finding the Fourth Proportional to 103,752.65, 155,435.22 and 59,244.46

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Solution

The fourth proportional to 103,752.65, 155,435.22 and 59,244.46 is: 88,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,752.65 : 155,435.22 = 59,244.46 : x
  2. Step 2: Convert to fraction form
    103,752.65/155,435.22 = 59,244.46/x
  3. Step 3: Cross multiply
    103,752.65x = 155,435.22 × 59,244.46
  4. Step 4: Simplify right side
    103,752.65x = 9,208,675,909.68
  5. Step 5: Solve for x
    x = 9,208,675,909.68/103,752.65
  6. Step 6: Final answer
    x = 88,756.06

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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.