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Finding the Fourth Proportional to 177,317.40, 265,538.70 and 132,702.60

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Solution

The fourth proportional to 177,317.40, 265,538.70 and 132,702.60 is: 198,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,317.40 : 265,538.70 = 132,702.60 : x
  2. Step 2: Convert to fraction form
    177,317.40/265,538.70 = 132,702.60/x
  3. Step 3: Cross multiply
    177,317.40x = 265,538.70 × 132,702.60
  4. Step 4: Simplify right side
    177,317.40x = 35,237,675,890.62
  5. Step 5: Solve for x
    x = 35,237,675,890.62/177,317.40
  6. Step 6: Final answer
    x = 198,726.55

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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.