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Finding the Fourth Proportional to 107,065.80, 147,822.98 and 95,698.87

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Solution

The fourth proportional to 107,065.80, 147,822.98 and 95,698.87 is: 132,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.80 : 147,822.98 = 95,698.87 : x
  2. Step 2: Convert to fraction form
    107,065.80/147,822.98 = 95,698.87/x
  3. Step 3: Cross multiply
    107,065.80x = 147,822.98 × 95,698.87
  4. Step 4: Simplify right side
    107,065.80x = 14,146,491,297.98
  5. Step 5: Solve for x
    x = 14,146,491,297.98/107,065.80
  6. Step 6: Final answer
    x = 132,128.95

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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.