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Finding the Fourth Proportional to 178,113.71, 245,795.07 and 96,440.56

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Solution

The fourth proportional to 178,113.71, 245,795.07 and 96,440.56 is: 133,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,113.71 : 245,795.07 = 96,440.56 : x
  2. Step 2: Convert to fraction form
    178,113.71/245,795.07 = 96,440.56/x
  3. Step 3: Cross multiply
    178,113.71x = 245,795.07 × 96,440.56
  4. Step 4: Simplify right side
    178,113.71x = 23,704,614,196.04
  5. Step 5: Solve for x
    x = 23,704,614,196.04/178,113.71
  6. Step 6: Final answer
    x = 133,086.97

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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.