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Finding the Fourth Proportional to 96,618.75, 133,288.52 and 68,340.03

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Solution

The fourth proportional to 96,618.75, 133,288.52 and 68,340.03 is: 94,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,618.75 : 133,288.52 = 68,340.03 : x
  2. Step 2: Convert to fraction form
    96,618.75/133,288.52 = 68,340.03/x
  3. Step 3: Cross multiply
    96,618.75x = 133,288.52 × 68,340.03
  4. Step 4: Simplify right side
    96,618.75x = 9,108,941,113.76
  5. Step 5: Solve for x
    x = 9,108,941,113.76/96,618.75
  6. Step 6: Final answer
    x = 94,277.16

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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.