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Finding the Fourth Proportional to 106,177.32, 146,538.72 and 68,560.92

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Solution

The fourth proportional to 106,177.32, 146,538.72 and 68,560.92 is: 94,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,177.32 : 146,538.72 = 68,560.92 : x
  2. Step 2: Convert to fraction form
    106,177.32/146,538.72 = 68,560.92/x
  3. Step 3: Cross multiply
    106,177.32x = 146,538.72 × 68,560.92
  4. Step 4: Simplify right side
    106,177.32x = 10,046,829,458.82
  5. Step 5: Solve for x
    x = 10,046,829,458.82/106,177.32
  6. Step 6: Final answer
    x = 94,623.12

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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.