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Finding the Fourth Proportional to 118,803.92, 163,953.92 and 67,824.95

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Solution

The fourth proportional to 118,803.92, 163,953.92 and 67,824.95 is: 93,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803.92 : 163,953.92 = 67,824.95 : x
  2. Step 2: Convert to fraction form
    118,803.92/163,953.92 = 67,824.95/x
  3. Step 3: Cross multiply
    118,803.92x = 163,953.92 × 67,824.95
  4. Step 4: Simplify right side
    118,803.92x = 11,120,165,776.10
  5. Step 5: Solve for x
    x = 11,120,165,776.10/118,803.92
  6. Step 6: Final answer
    x = 93,601.00

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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.