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Finding the Fourth Proportional to 110,763.38, 152,853.53 and 68,346.51

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Solution

The fourth proportional to 110,763.38, 152,853.53 and 68,346.51 is: 94,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,763.38 : 152,853.53 = 68,346.51 : x
  2. Step 2: Convert to fraction form
    110,763.38/152,853.53 = 68,346.51/x
  3. Step 3: Cross multiply
    110,763.38x = 152,853.53 × 68,346.51
  4. Step 4: Simplify right side
    110,763.38x = 10,447,004,974.95
  5. Step 5: Solve for x
    x = 10,447,004,974.95/110,763.38
  6. Step 6: Final answer
    x = 94,318.23

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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.