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Finding the Fourth Proportional to 179,008.68, 246,928.86 and 107,346.90

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Solution

The fourth proportional to 179,008.68, 246,928.86 and 107,346.90 is: 148,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,008.68 : 246,928.86 = 107,346.90 : x
  2. Step 2: Convert to fraction form
    179,008.68/246,928.86 = 107,346.90/x
  3. Step 3: Cross multiply
    179,008.68x = 246,928.86 × 107,346.90
  4. Step 4: Simplify right side
    179,008.68x = 26,507,047,641.53
  5. Step 5: Solve for x
    x = 26,507,047,641.53/179,008.68
  6. Step 6: Final answer
    x = 148,076.88

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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.