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Finding the Fourth Proportional to 124,474.56, 186,710.16 and 30,981.12

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Solution

The fourth proportional to 124,474.56, 186,710.16 and 30,981.12 is: 46,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.56 : 186,710.16 = 30,981.12 : x
  2. Step 2: Convert to fraction form
    124,474.56/186,710.16 = 30,981.12/x
  3. Step 3: Cross multiply
    124,474.56x = 186,710.16 × 30,981.12
  4. Step 4: Simplify right side
    124,474.56x = 5,784,489,872.18
  5. Step 5: Solve for x
    x = 5,784,489,872.18/124,474.56
  6. Step 6: Final answer
    x = 46,471.26

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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.