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Finding the Fourth Proportional to 73,671.03, 101,639.34 and 48,191.91

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Solution

The fourth proportional to 73,671.03, 101,639.34 and 48,191.91 is: 66,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671.03 : 101,639.34 = 48,191.91 : x
  2. Step 2: Convert to fraction form
    73,671.03/101,639.34 = 48,191.91/x
  3. Step 3: Cross multiply
    73,671.03x = 101,639.34 × 48,191.91
  4. Step 4: Simplify right side
    73,671.03x = 4,898,193,925.74
  5. Step 5: Solve for x
    x = 4,898,193,925.74/73,671.03
  6. Step 6: Final answer
    x = 66,487.38

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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.