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Finding the Fourth Proportional to 132,761.80, 183,202.74 and 79,050.76

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Solution

The fourth proportional to 132,761.80, 183,202.74 and 79,050.76 is: 109,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,761.80 : 183,202.74 = 79,050.76 : x
  2. Step 2: Convert to fraction form
    132,761.80/183,202.74 = 79,050.76/x
  3. Step 3: Cross multiply
    132,761.80x = 183,202.74 × 79,050.76
  4. Step 4: Simplify right side
    132,761.80x = 14,482,315,831.08
  5. Step 5: Solve for x
    x = 14,482,315,831.08/132,761.80
  6. Step 6: Final answer
    x = 109,084.96

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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.