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Finding the Fourth Proportional to 141,573.66, 195,290.39 and 88,489.50

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Solution

The fourth proportional to 141,573.66, 195,290.39 and 88,489.50 is: 122,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,573.66 : 195,290.39 = 88,489.50 : x
  2. Step 2: Convert to fraction form
    141,573.66/195,290.39 = 88,489.50/x
  3. Step 3: Cross multiply
    141,573.66x = 195,290.39 × 88,489.50
  4. Step 4: Simplify right side
    141,573.66x = 17,281,148,965.91
  5. Step 5: Solve for x
    x = 17,281,148,965.91/141,573.66
  6. Step 6: Final answer
    x = 122,064.72

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Why These Related Problems?

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