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Finding the Fourth Proportional to 123,482.56, 185,223.84 and 29,987.68

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Solution

The fourth proportional to 123,482.56, 185,223.84 and 29,987.68 is: 44,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,482.56 : 185,223.84 = 29,987.68 : x
  2. Step 2: Convert to fraction form
    123,482.56/185,223.84 = 29,987.68/x
  3. Step 3: Cross multiply
    123,482.56x = 185,223.84 × 29,987.68
  4. Step 4: Simplify right side
    123,482.56x = 5,554,433,242.29
  5. Step 5: Solve for x
    x = 5,554,433,242.29/123,482.56
  6. Step 6: Final answer
    x = 44,981.52

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Similar ratio
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1.5x scale

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.