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Finding the Fourth Proportional to 88,706.75, 122,459.24 and 56,473.40

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Solution

The fourth proportional to 88,706.75, 122,459.24 and 56,473.40 is: 77,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.75 : 122,459.24 = 56,473.40 : x
  2. Step 2: Convert to fraction form
    88,706.75/122,459.24 = 56,473.40/x
  3. Step 3: Cross multiply
    88,706.75x = 122,459.24 × 56,473.40
  4. Step 4: Simplify right side
    88,706.75x = 6,915,690,091.55
  5. Step 5: Solve for x
    x = 6,915,690,091.55/88,706.75
  6. Step 6: Final answer
    x = 77,961.27

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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.