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Finding the Fourth Proportional to 194,641.92, 268,612.56 and 112,963.95

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Solution

The fourth proportional to 194,641.92, 268,612.56 and 112,963.95 is: 155,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,641.92 : 268,612.56 = 112,963.95 : x
  2. Step 2: Convert to fraction form
    194,641.92/268,612.56 = 112,963.95/x
  3. Step 3: Cross multiply
    194,641.92x = 268,612.56 × 112,963.95
  4. Step 4: Simplify right side
    194,641.92x = 30,343,535,797.21
  5. Step 5: Solve for x
    x = 30,343,535,797.21/194,641.92
  6. Step 6: Final answer
    x = 155,894.15

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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.