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Finding the Fourth Proportional to 170,702.33, 235,657.80 and 124,710.39

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Solution

The fourth proportional to 170,702.33, 235,657.80 and 124,710.39 is: 172,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,702.33 : 235,657.80 = 124,710.39 : x
  2. Step 2: Convert to fraction form
    170,702.33/235,657.80 = 124,710.39/x
  3. Step 3: Cross multiply
    170,702.33x = 235,657.80 × 124,710.39
  4. Step 4: Simplify right side
    170,702.33x = 29,388,976,144.54
  5. Step 5: Solve for x
    x = 29,388,976,144.54/170,702.33
  6. Step 6: Final answer
    x = 172,165.06

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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.