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Finding the Fourth Proportional to 129,482.40, 194,226.48 and 35,987.52

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Solution

The fourth proportional to 129,482.40, 194,226.48 and 35,987.52 is: 53,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482.40 : 194,226.48 = 35,987.52 : x
  2. Step 2: Convert to fraction form
    129,482.40/194,226.48 = 35,987.52/x
  3. Step 3: Cross multiply
    129,482.40x = 194,226.48 × 35,987.52
  4. Step 4: Simplify right side
    129,482.40x = 6,989,729,333.53
  5. Step 5: Solve for x
    x = 6,989,729,333.53/129,482.40
  6. Step 6: Final answer
    x = 53,982.08

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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.