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Finding the Fourth Proportional to 240,871.16, 361,366.68 and 72,394.20

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Solution

The fourth proportional to 240,871.16, 361,366.68 and 72,394.20 is: 108,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,871.16 : 361,366.68 = 72,394.20 : x
  2. Step 2: Convert to fraction form
    240,871.16/361,366.68 = 72,394.20/x
  3. Step 3: Cross multiply
    240,871.16x = 361,366.68 × 72,394.20
  4. Step 4: Simplify right side
    240,871.16x = 26,160,851,705.26
  5. Step 5: Solve for x
    x = 26,160,851,705.26/240,871.16
  6. Step 6: Final answer
    x = 108,609.32

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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.