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Finding the Fourth Proportional to 167,702.40, 251,845.20 and 88,970.40

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Solution

The fourth proportional to 167,702.40, 251,845.20 and 88,970.40 is: 133,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,702.40 : 251,845.20 = 88,970.40 : x
  2. Step 2: Convert to fraction form
    167,702.40/251,845.20 = 88,970.40/x
  3. Step 3: Cross multiply
    167,702.40x = 251,845.20 × 88,970.40
  4. Step 4: Simplify right side
    167,702.40x = 22,406,768,182.08
  5. Step 5: Solve for x
    x = 22,406,768,182.08/167,702.40
  6. Step 6: Final answer
    x = 133,610.30

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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.