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Finding the Fourth Proportional to 124,608.40, 171,963.30 and 70,883.44

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Solution

The fourth proportional to 124,608.40, 171,963.30 and 70,883.44 is: 97,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.40 : 171,963.30 = 70,883.44 : x
  2. Step 2: Convert to fraction form
    124,608.40/171,963.30 = 70,883.44/x
  3. Step 3: Cross multiply
    124,608.40x = 171,963.30 × 70,883.44
  4. Step 4: Simplify right side
    124,608.40x = 12,189,350,257.75
  5. Step 5: Solve for x
    x = 12,189,350,257.75/124,608.40
  6. Step 6: Final answer
    x = 97,821.26

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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.