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Finding the Fourth Proportional to 153,191.62, 229,793.61 and 53,361.91

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Solution

The fourth proportional to 153,191.62, 229,793.61 and 53,361.91 is: 80,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,191.62 : 229,793.61 = 53,361.91 : x
  2. Step 2: Convert to fraction form
    153,191.62/229,793.61 = 53,361.91/x
  3. Step 3: Cross multiply
    153,191.62x = 229,793.61 × 53,361.91
  4. Step 4: Simplify right side
    153,191.62x = 12,262,226,422.74
  5. Step 5: Solve for x
    x = 12,262,226,422.74/153,191.62
  6. Step 6: Final answer
    x = 80,045.02

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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.