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Finding the Fourth Proportional to 113,696.69, 170,663.30 and 83,744.73

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Solution

The fourth proportional to 113,696.69, 170,663.30 and 83,744.73 is: 125,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,696.69 : 170,663.30 = 83,744.73 : x
  2. Step 2: Convert to fraction form
    113,696.69/170,663.30 = 83,744.73/x
  3. Step 3: Cross multiply
    113,696.69x = 170,663.30 × 83,744.73
  4. Step 4: Simplify right side
    113,696.69x = 14,292,151,979.41
  5. Step 5: Solve for x
    x = 14,292,151,979.41/113,696.69
  6. Step 6: Final answer
    x = 125,704.20

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1.5x scale

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.