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Finding the Fourth Proportional to 157,060.80, 216,694.97 and 89,072.44

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Solution

The fourth proportional to 157,060.80, 216,694.97 and 89,072.44 is: 122,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,060.80 : 216,694.97 = 89,072.44 : x
  2. Step 2: Convert to fraction form
    157,060.80/216,694.97 = 89,072.44/x
  3. Step 3: Cross multiply
    157,060.80x = 216,694.97 × 89,072.44
  4. Step 4: Simplify right side
    157,060.80x = 19,301,549,713.63
  5. Step 5: Solve for x
    x = 19,301,549,713.63/157,060.80
  6. Step 6: Final answer
    x = 122,892.22

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1.5x scale

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.