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Finding the Fourth Proportional to 170,194.66, 234,866.70 and 93,712.16

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Solution

The fourth proportional to 170,194.66, 234,866.70 and 93,712.16 is: 129,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,194.66 : 234,866.70 = 93,712.16 : x
  2. Step 2: Convert to fraction form
    170,194.66/234,866.70 = 93,712.16/x
  3. Step 3: Cross multiply
    170,194.66x = 234,866.70 × 93,712.16
  4. Step 4: Simplify right side
    170,194.66x = 22,009,866,356.24
  5. Step 5: Solve for x
    x = 22,009,866,356.24/170,194.66
  6. Step 6: Final answer
    x = 129,321.72

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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.