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Finding the Fourth Proportional to 134,226.78, 185,200.02 and 99,314.96

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Solution

The fourth proportional to 134,226.78, 185,200.02 and 99,314.96 is: 137,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,226.78 : 185,200.02 = 99,314.96 : x
  2. Step 2: Convert to fraction form
    134,226.78/185,200.02 = 99,314.96/x
  3. Step 3: Cross multiply
    134,226.78x = 185,200.02 × 99,314.96
  4. Step 4: Simplify right side
    134,226.78x = 18,393,132,578.30
  5. Step 5: Solve for x
    x = 18,393,132,578.30/134,226.78
  6. Step 6: Final answer
    x = 137,030.28

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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.