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Finding the Fourth Proportional to 168,432.84, 232,440.84 and 91,955.16

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Solution

The fourth proportional to 168,432.84, 232,440.84 and 91,955.16 is: 126,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,432.84 : 232,440.84 = 91,955.16 : x
  2. Step 2: Convert to fraction form
    168,432.84/232,440.84 = 91,955.16/x
  3. Step 3: Cross multiply
    168,432.84x = 232,440.84 × 91,955.16
  4. Step 4: Simplify right side
    168,432.84x = 21,374,134,632.73
  5. Step 5: Solve for x
    x = 21,374,134,632.73/168,432.84
  6. Step 6: Final answer
    x = 126,900.04

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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.