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Finding the Fourth Proportional to 134,661.98, 185,833.49 and 74,233.62

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Solution

The fourth proportional to 134,661.98, 185,833.49 and 74,233.62 is: 102,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661.98 : 185,833.49 = 74,233.62 : x
  2. Step 2: Convert to fraction form
    134,661.98/185,833.49 = 74,233.62/x
  3. Step 3: Cross multiply
    134,661.98x = 185,833.49 × 74,233.62
  4. Step 4: Simplify right side
    134,661.98x = 13,795,092,679.93
  5. Step 5: Solve for x
    x = 13,795,092,679.93/134,661.98
  6. Step 6: Final answer
    x = 102,442.37

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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.