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Finding the Fourth Proportional to 168,797.50, 232,931.12 and 92,301.40

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Solution

The fourth proportional to 168,797.50, 232,931.12 and 92,301.40 is: 127,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,797.50 : 232,931.12 = 92,301.40 : x
  2. Step 2: Convert to fraction form
    168,797.50/232,931.12 = 92,301.40/x
  3. Step 3: Cross multiply
    168,797.50x = 232,931.12 × 92,301.40
  4. Step 4: Simplify right side
    168,797.50x = 21,499,868,479.57
  5. Step 5: Solve for x
    x = 21,499,868,479.57/168,797.50
  6. Step 6: Final answer
    x = 127,370.78

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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.