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Finding the Fourth Proportional to 106,599.76, 147,103.79 and 58,200.80

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Solution

The fourth proportional to 106,599.76, 147,103.79 and 58,200.80 is: 80,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,599.76 : 147,103.79 = 58,200.80 : x
  2. Step 2: Convert to fraction form
    106,599.76/147,103.79 = 58,200.80/x
  3. Step 3: Cross multiply
    106,599.76x = 147,103.79 × 58,200.80
  4. Step 4: Simplify right side
    106,599.76x = 8,561,557,671.02
  5. Step 5: Solve for x
    x = 8,561,557,671.02/106,599.76
  6. Step 6: Final answer
    x = 80,314.98

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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.