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Finding the Fourth Proportional to 167,376.90, 230,981.92 and 91,925.40

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Solution

The fourth proportional to 167,376.90, 230,981.92 and 91,925.40 is: 126,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,376.90 : 230,981.92 = 91,925.40 : x
  2. Step 2: Convert to fraction form
    167,376.90/230,981.92 = 91,925.40/x
  3. Step 3: Cross multiply
    167,376.90x = 230,981.92 × 91,925.40
  4. Step 4: Simplify right side
    167,376.90x = 21,233,105,388.77
  5. Step 5: Solve for x
    x = 21,233,105,388.77/167,376.90
  6. Step 6: Final answer
    x = 126,858.04

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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.