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Finding the Fourth Proportional to 235,988.88, 354,292.04 and 140,101.16

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Solution

The fourth proportional to 235,988.88, 354,292.04 and 140,101.16 is: 210,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,988.88 : 354,292.04 = 140,101.16 : x
  2. Step 2: Convert to fraction form
    235,988.88/354,292.04 = 140,101.16/x
  3. Step 3: Cross multiply
    235,988.88x = 354,292.04 × 140,101.16
  4. Step 4: Simplify right side
    235,988.88x = 49,636,725,782.77
  5. Step 5: Solve for x
    x = 49,636,725,782.77/235,988.88
  6. Step 6: Final answer
    x = 210,335.02

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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.