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Finding the Fourth Proportional to 124,755.67, 171,983.57 and 88,883.40

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Solution

The fourth proportional to 124,755.67, 171,983.57 and 88,883.40 is: 122,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.67 : 171,983.57 = 88,883.40 : x
  2. Step 2: Convert to fraction form
    124,755.67/171,983.57 = 88,883.40/x
  3. Step 3: Cross multiply
    124,755.67x = 171,983.57 × 88,883.40
  4. Step 4: Simplify right side
    124,755.67x = 15,286,484,412.54
  5. Step 5: Solve for x
    x = 15,286,484,412.54/124,755.67
  6. Step 6: Final answer
    x = 122,531.38

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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.