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Finding the Fourth Proportional to 134,392.59, 185,454.87 and 73,968.97

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Solution

The fourth proportional to 134,392.59, 185,454.87 and 73,968.97 is: 102,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,392.59 : 185,454.87 = 73,968.97 : x
  2. Step 2: Convert to fraction form
    134,392.59/185,454.87 = 73,968.97/x
  3. Step 3: Cross multiply
    134,392.59x = 185,454.87 × 73,968.97
  4. Step 4: Simplify right side
    134,392.59x = 13,717,905,843.68
  5. Step 5: Solve for x
    x = 13,717,905,843.68/134,392.59
  6. Step 6: Final answer
    x = 102,073.38

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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.