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Finding the Fourth Proportional to 178,039.92, 245,687.16 and 97,470.84

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Solution

The fourth proportional to 178,039.92, 245,687.16 and 97,470.84 is: 134,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,039.92 : 245,687.16 = 97,470.84 : x
  2. Step 2: Convert to fraction form
    178,039.92/245,687.16 = 97,470.84/x
  3. Step 3: Cross multiply
    178,039.92x = 245,687.16 × 97,470.84
  4. Step 4: Simplify right side
    178,039.92x = 23,947,333,862.41
  5. Step 5: Solve for x
    x = 23,947,333,862.41/178,039.92
  6. Step 6: Final answer
    x = 134,505.42

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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.