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Finding the Fourth Proportional to 168,687.16, 232,788.50 and 97,065.76

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Solution

The fourth proportional to 168,687.16, 232,788.50 and 97,065.76 is: 133,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,687.16 : 232,788.50 = 97,065.76 : x
  2. Step 2: Convert to fraction form
    168,687.16/232,788.50 = 97,065.76/x
  3. Step 3: Cross multiply
    168,687.16x = 232,788.50 × 97,065.76
  4. Step 4: Simplify right side
    168,687.16x = 22,595,792,671.76
  5. Step 5: Solve for x
    x = 22,595,792,671.76/168,687.16
  6. Step 6: Final answer
    x = 133,950.87

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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.