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Finding the Fourth Proportional to 106,613.44, 147,125.52 and 58,865.77

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Solution

The fourth proportional to 106,613.44, 147,125.52 and 58,865.77 is: 81,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.44 : 147,125.52 = 58,865.77 : x
  2. Step 2: Convert to fraction form
    106,613.44/147,125.52 = 58,865.77/x
  3. Step 3: Cross multiply
    106,613.44x = 147,125.52 × 58,865.77
  4. Step 4: Simplify right side
    106,613.44x = 8,660,657,021.45
  5. Step 5: Solve for x
    x = 8,660,657,021.45/106,613.44
  6. Step 6: Final answer
    x = 81,234.20

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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.