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Finding the Fourth Proportional to 110,780.59, 152,873.36 and 68,338.03

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Solution

The fourth proportional to 110,780.59, 152,873.36 and 68,338.03 is: 94,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,780.59 : 152,873.36 = 68,338.03 : x
  2. Step 2: Convert to fraction form
    110,780.59/152,873.36 = 68,338.03/x
  3. Step 3: Cross multiply
    110,780.59x = 152,873.36 × 68,338.03
  4. Step 4: Simplify right side
    110,780.59x = 10,447,063,920.19
  5. Step 5: Solve for x
    x = 10,447,063,920.19/110,780.59
  6. Step 6: Final answer
    x = 94,304.10

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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.