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Finding the Fourth Proportional to 124,037.52, 171,168 and 70,327.44

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Solution

The fourth proportional to 124,037.52, 171,168 and 70,327.44 is: 97,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.52 : 171,168 = 70,327.44 : x
  2. Step 2: Convert to fraction form
    124,037.52/171,168 = 70,327.44/x
  3. Step 3: Cross multiply
    124,037.52x = 171,168 × 70,327.44
  4. Step 4: Simplify right side
    124,037.52x = 12,037,807,249.92
  5. Step 5: Solve for x
    x = 12,037,807,249.92/124,037.52
  6. Step 6: Final answer
    x = 97,049.73

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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.