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Finding the Fourth Proportional to 169,805.90, 254,754.79 and 57,486.13

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Solution

The fourth proportional to 169,805.90, 254,754.79 and 57,486.13 is: 86,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.90 : 254,754.79 = 57,486.13 : x
  2. Step 2: Convert to fraction form
    169,805.90/254,754.79 = 57,486.13/x
  3. Step 3: Cross multiply
    169,805.90x = 254,754.79 × 57,486.13
  4. Step 4: Simplify right side
    169,805.90x = 14,644,866,195.46
  5. Step 5: Solve for x
    x = 14,644,866,195.46/169,805.90
  6. Step 6: Final answer
    x = 86,244.74

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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.