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Finding the Fourth Proportional to 244,401.80, 366,602.70 and 86,646.20

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Solution

The fourth proportional to 244,401.80, 366,602.70 and 86,646.20 is: 129,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,401.80 : 366,602.70 = 86,646.20 : x
  2. Step 2: Convert to fraction form
    244,401.80/366,602.70 = 86,646.20/x
  3. Step 3: Cross multiply
    244,401.80x = 366,602.70 × 86,646.20
  4. Step 4: Simplify right side
    244,401.80x = 31,764,730,864.74
  5. Step 5: Solve for x
    x = 31,764,730,864.74/244,401.80
  6. Step 6: Final answer
    x = 129,969.30

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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.