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Finding the Fourth Proportional to 177,796.92, 245,382.81 and 101,343.48

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Solution

The fourth proportional to 177,796.92, 245,382.81 and 101,343.48 is: 139,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,796.92 : 245,382.81 = 101,343.48 : x
  2. Step 2: Convert to fraction form
    177,796.92/245,382.81 = 101,343.48/x
  3. Step 3: Cross multiply
    177,796.92x = 245,382.81 × 101,343.48
  4. Step 4: Simplify right side
    177,796.92x = 24,867,947,897.58
  5. Step 5: Solve for x
    x = 24,867,947,897.58/177,796.92
  6. Step 6: Final answer
    x = 139,867.15

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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.