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Finding the Fourth Proportional to 124,397.44, 171,661.99 and 70,675

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Solution

The fourth proportional to 124,397.44, 171,661.99 and 70,675 is: 97,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.44 : 171,661.99 = 70,675 : x
  2. Step 2: Convert to fraction form
    124,397.44/171,661.99 = 70,675/x
  3. Step 3: Cross multiply
    124,397.44x = 171,661.99 × 70,675
  4. Step 4: Simplify right side
    124,397.44x = 12,132,211,143.25
  5. Step 5: Solve for x
    x = 12,132,211,143.25/124,397.44
  6. Step 6: Final answer
    x = 97,527.82

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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.