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Finding the Fourth Proportional to 239,636.95, 330,700.10 and 132,206.94

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Solution

The fourth proportional to 239,636.95, 330,700.10 and 132,206.94 is: 182,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,636.95 : 330,700.10 = 132,206.94 : x
  2. Step 2: Convert to fraction form
    239,636.95/330,700.10 = 132,206.94/x
  3. Step 3: Cross multiply
    239,636.95x = 330,700.10 × 132,206.94
  4. Step 4: Simplify right side
    239,636.95x = 43,720,847,617.66
  5. Step 5: Solve for x
    x = 43,720,847,617.66/239,636.95
  6. Step 6: Final answer
    x = 182,446.19

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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.