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Finding the Fourth Proportional to 140,844.84, 211,125.02 and 88,291.16

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Solution

The fourth proportional to 140,844.84, 211,125.02 and 88,291.16 is: 132,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,844.84 : 211,125.02 = 88,291.16 : x
  2. Step 2: Convert to fraction form
    140,844.84/211,125.02 = 88,291.16/x
  3. Step 3: Cross multiply
    140,844.84x = 211,125.02 × 88,291.16
  4. Step 4: Simplify right side
    140,844.84x = 18,640,472,920.82
  5. Step 5: Solve for x
    x = 18,640,472,920.82/140,844.84
  6. Step 6: Final answer
    x = 132,347.57

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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.