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Finding the Fourth Proportional to 106,612.94, 147,124.86 and 58,865.24

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Solution

The fourth proportional to 106,612.94, 147,124.86 and 58,865.24 is: 81,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.94 : 147,124.86 = 58,865.24 : x
  2. Step 2: Convert to fraction form
    106,612.94/147,124.86 = 58,865.24/x
  3. Step 3: Cross multiply
    106,612.94x = 147,124.86 × 58,865.24
  4. Step 4: Simplify right side
    106,612.94x = 8,660,540,193.87
  5. Step 5: Solve for x
    x = 8,660,540,193.87/106,612.94
  6. Step 6: Final answer
    x = 81,233.48

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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.