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Finding the Fourth Proportional to 134,598.60, 185,743.62 and 74,174.82

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Solution

The fourth proportional to 134,598.60, 185,743.62 and 74,174.82 is: 102,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.60 : 185,743.62 = 74,174.82 : x
  2. Step 2: Convert to fraction form
    134,598.60/185,743.62 = 74,174.82/x
  3. Step 3: Cross multiply
    134,598.60x = 185,743.62 × 74,174.82
  4. Step 4: Simplify right side
    134,598.60x = 13,777,499,579.65
  5. Step 5: Solve for x
    x = 13,777,499,579.65/134,598.60
  6. Step 6: Final answer
    x = 102,359.90

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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.