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Finding the Fourth Proportional to 88,671.64, 122,364.46 and 48,385.42

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Solution

The fourth proportional to 88,671.64, 122,364.46 and 48,385.42 is: 66,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.64 : 122,364.46 = 48,385.42 : x
  2. Step 2: Convert to fraction form
    88,671.64/122,364.46 = 48,385.42/x
  3. Step 3: Cross multiply
    88,671.64x = 122,364.46 × 48,385.42
  4. Step 4: Simplify right side
    88,671.64x = 5,920,655,790.17
  5. Step 5: Solve for x
    x = 5,920,655,790.17/88,671.64
  6. Step 6: Final answer
    x = 66,770.57

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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.