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Finding the Fourth Proportional to 114,650.76, 158,222.60 and 66,251.08

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Solution

The fourth proportional to 114,650.76, 158,222.60 and 66,251.08 is: 91,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,650.76 : 158,222.60 = 66,251.08 : x
  2. Step 2: Convert to fraction form
    114,650.76/158,222.60 = 66,251.08/x
  3. Step 3: Cross multiply
    114,650.76x = 158,222.60 × 66,251.08
  4. Step 4: Simplify right side
    114,650.76x = 10,482,417,799.15
  5. Step 5: Solve for x
    x = 10,482,417,799.15/114,650.76
  6. Step 6: Final answer
    x = 91,429.12

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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.