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Finding the Fourth Proportional to 169,034.85, 253,693.06 and 89,101.52

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Solution

The fourth proportional to 169,034.85, 253,693.06 and 89,101.52 is: 133,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,034.85 : 253,693.06 = 89,101.52 : x
  2. Step 2: Convert to fraction form
    169,034.85/253,693.06 = 89,101.52/x
  3. Step 3: Cross multiply
    169,034.85x = 253,693.06 × 89,101.52
  4. Step 4: Simplify right side
    169,034.85x = 22,604,437,220.78
  5. Step 5: Solve for x
    x = 22,604,437,220.78/169,034.85
  6. Step 6: Final answer
    x = 133,726.49

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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.