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Finding the Fourth Proportional to 136,674.42, 205,088.18 and 57,847.65

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Solution

The fourth proportional to 136,674.42, 205,088.18 and 57,847.65 is: 86,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,674.42 : 205,088.18 = 57,847.65 : x
  2. Step 2: Convert to fraction form
    136,674.42/205,088.18 = 57,847.65/x
  3. Step 3: Cross multiply
    136,674.42x = 205,088.18 × 57,847.65
  4. Step 4: Simplify right side
    136,674.42x = 11,863,869,255.78
  5. Step 5: Solve for x
    x = 11,863,869,255.78/136,674.42
  6. Step 6: Final answer
    x = 86,803.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.