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Finding the Fourth Proportional to 218,624.62, 301,702.98 and 123,132.91

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Solution

The fourth proportional to 218,624.62, 301,702.98 and 123,132.91 is: 169,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,624.62 : 301,702.98 = 123,132.91 : x
  2. Step 2: Convert to fraction form
    218,624.62/301,702.98 = 123,132.91/x
  3. Step 3: Cross multiply
    218,624.62x = 301,702.98 × 123,132.91
  4. Step 4: Simplify right side
    218,624.62x = 37,149,565,883.07
  5. Step 5: Solve for x
    x = 37,149,565,883.07/218,624.62
  6. Step 6: Final answer
    x = 169,923.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.