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Finding the Fourth Proportional to 197,287.80, 295,931.70 and 92,117.40

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Solution

The fourth proportional to 197,287.80, 295,931.70 and 92,117.40 is: 138,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,287.80 : 295,931.70 = 92,117.40 : x
  2. Step 2: Convert to fraction form
    197,287.80/295,931.70 = 92,117.40/x
  3. Step 3: Cross multiply
    197,287.80x = 295,931.70 × 92,117.40
  4. Step 4: Simplify right side
    197,287.80x = 27,260,458,781.58
  5. Step 5: Solve for x
    x = 27,260,458,781.58/197,287.80
  6. Step 6: Final answer
    x = 138,176.10

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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.