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Finding the Fourth Proportional to 168,235.29, 232,156.50 and 100,250.75

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Solution

The fourth proportional to 168,235.29, 232,156.50 and 100,250.75 is: 138,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,235.29 : 232,156.50 = 100,250.75 : x
  2. Step 2: Convert to fraction form
    168,235.29/232,156.50 = 100,250.75/x
  3. Step 3: Cross multiply
    168,235.29x = 232,156.50 × 100,250.75
  4. Step 4: Simplify right side
    168,235.29x = 23,273,862,986.81
  5. Step 5: Solve for x
    x = 23,273,862,986.81/168,235.29
  6. Step 6: Final answer
    x = 138,341.15

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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.