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Finding the Fourth Proportional to 232,380.80, 348,700.80 and 99,238.40

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Solution

The fourth proportional to 232,380.80, 348,700.80 and 99,238.40 is: 148,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,380.80 : 348,700.80 = 99,238.40 : x
  2. Step 2: Convert to fraction form
    232,380.80/348,700.80 = 99,238.40/x
  3. Step 3: Cross multiply
    232,380.80x = 348,700.80 × 99,238.40
  4. Step 4: Simplify right side
    232,380.80x = 34,604,509,470.72
  5. Step 5: Solve for x
    x = 34,604,509,470.72/232,380.80
  6. Step 6: Final answer
    x = 148,912.95

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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.