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Finding the Fourth Proportional to 468,701.12, 703,088.13 and 153,189.92

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Solution

The fourth proportional to 468,701.12, 703,088.13 and 153,189.92 is: 229,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,701.12 : 703,088.13 = 153,189.92 : x
  2. Step 2: Convert to fraction form
    468,701.12/703,088.13 = 153,189.92/x
  3. Step 3: Cross multiply
    468,701.12x = 703,088.13 × 153,189.92
  4. Step 4: Simplify right side
    468,701.12x = 107,706,011,472.42
  5. Step 5: Solve for x
    x = 107,706,011,472.42/468,701.12
  6. Step 6: Final answer
    x = 229,796.79

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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.