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Finding the Fourth Proportional to 124,404.68, 171,672 and 70,682.24

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Solution

The fourth proportional to 124,404.68, 171,672 and 70,682.24 is: 97,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404.68 : 171,672 = 70,682.24 : x
  2. Step 2: Convert to fraction form
    124,404.68/171,672 = 70,682.24/x
  3. Step 3: Cross multiply
    124,404.68x = 171,672 × 70,682.24
  4. Step 4: Simplify right side
    124,404.68x = 12,134,161,505.28
  5. Step 5: Solve for x
    x = 12,134,161,505.28/124,404.68
  6. Step 6: Final answer
    x = 97,537.82

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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.