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Finding the Fourth Proportional to 115,654.41, 159,693.54 and 88,754.31

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Solution

The fourth proportional to 115,654.41, 159,693.54 and 88,754.31 is: 122,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,654.41 : 159,693.54 = 88,754.31 : x
  2. Step 2: Convert to fraction form
    115,654.41/159,693.54 = 88,754.31/x
  3. Step 3: Cross multiply
    115,654.41x = 159,693.54 × 88,754.31
  4. Step 4: Simplify right side
    115,654.41x = 14,173,489,954.16
  5. Step 5: Solve for x
    x = 14,173,489,954.16/115,654.41
  6. Step 6: Final answer
    x = 122,550.36

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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.