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Finding the Fourth Proportional to 124,398.82, 171,664.17 and 70,676.74

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Solution

The fourth proportional to 124,398.82, 171,664.17 and 70,676.74 is: 97,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398.82 : 171,664.17 = 70,676.74 : x
  2. Step 2: Convert to fraction form
    124,398.82/171,664.17 = 70,676.74/x
  3. Step 3: Cross multiply
    124,398.82x = 171,664.17 × 70,676.74
  4. Step 4: Simplify right side
    124,398.82x = 12,132,663,910.41
  5. Step 5: Solve for x
    x = 12,132,663,910.41/124,398.82
  6. Step 6: Final answer
    x = 97,530.38

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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.