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Finding the Fourth Proportional to 124,439.44, 186,659.08 and 30,945.16

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Solution

The fourth proportional to 124,439.44, 186,659.08 and 30,945.16 is: 46,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,439.44 : 186,659.08 = 30,945.16 : x
  2. Step 2: Convert to fraction form
    124,439.44/186,659.08 = 30,945.16/x
  3. Step 3: Cross multiply
    124,439.44x = 186,659.08 × 30,945.16
  4. Step 4: Simplify right side
    124,439.44x = 5,776,195,096.05
  5. Step 5: Solve for x
    x = 5,776,195,096.05/124,439.44
  6. Step 6: Final answer
    x = 46,417.72

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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.