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Finding the Fourth Proportional to 106,569.62, 147,000.27 and 63,520.12

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Solution

The fourth proportional to 106,569.62, 147,000.27 and 63,520.12 is: 87,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,569.62 : 147,000.27 = 63,520.12 : x
  2. Step 2: Convert to fraction form
    106,569.62/147,000.27 = 63,520.12/x
  3. Step 3: Cross multiply
    106,569.62x = 147,000.27 × 63,520.12
  4. Step 4: Simplify right side
    106,569.62x = 9,337,474,790.43
  5. Step 5: Solve for x
    x = 9,337,474,790.43/106,569.62
  6. Step 6: Final answer
    x = 87,618.54

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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.