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Finding the Fourth Proportional to 197,281.40, 295,951.62 and 72,612.92

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Solution

The fourth proportional to 197,281.40, 295,951.62 and 72,612.92 is: 108,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,281.40 : 295,951.62 = 72,612.92 : x
  2. Step 2: Convert to fraction form
    197,281.40/295,951.62 = 72,612.92/x
  3. Step 3: Cross multiply
    197,281.40x = 295,951.62 × 72,612.92
  4. Step 4: Simplify right side
    197,281.40x = 21,489,911,306.93
  5. Step 5: Solve for x
    x = 21,489,911,306.93/197,281.40
  6. Step 6: Final answer
    x = 108,930.25

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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.