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Finding the Fourth Proportional to 268,876.72, 370,896.13 and 168,099.76

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Solution

The fourth proportional to 268,876.72, 370,896.13 and 168,099.76 is: 231,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,876.72 : 370,896.13 = 168,099.76 : x
  2. Step 2: Convert to fraction form
    268,876.72/370,896.13 = 168,099.76/x
  3. Step 3: Cross multiply
    268,876.72x = 370,896.13 × 168,099.76
  4. Step 4: Simplify right side
    268,876.72x = 62,347,550,437.93
  5. Step 5: Solve for x
    x = 62,347,550,437.93/268,876.72
  6. Step 6: Final answer
    x = 231,881.55

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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.