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Finding the Fourth Proportional to 231,235.52, 346,642.94 and 88,990.08

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Solution

The fourth proportional to 231,235.52, 346,642.94 and 88,990.08 is: 133,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,235.52 : 346,642.94 = 88,990.08 : x
  2. Step 2: Convert to fraction form
    231,235.52/346,642.94 = 88,990.08/x
  3. Step 3: Cross multiply
    231,235.52x = 346,642.94 × 88,990.08
  4. Step 4: Simplify right side
    231,235.52x = 30,847,782,962.04
  5. Step 5: Solve for x
    x = 30,847,782,962.04/231,235.52
  6. Step 6: Final answer
    x = 133,404.17

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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.