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Finding the Fourth Proportional to 268,281.60, 370,147.88 and 160,812.42

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Solution

The fourth proportional to 268,281.60, 370,147.88 and 160,812.42 is: 221,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281.60 : 370,147.88 = 160,812.42 : x
  2. Step 2: Convert to fraction form
    268,281.60/370,147.88 = 160,812.42/x
  3. Step 3: Cross multiply
    268,281.60x = 370,147.88 × 160,812.42
  4. Step 4: Simplify right side
    268,281.60x = 59,524,375,536.61
  5. Step 5: Solve for x
    x = 59,524,375,536.61/268,281.60
  6. Step 6: Final answer
    x = 221,872.75

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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.