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Finding the Fourth Proportional to 153,473.44, 230,149.68 and 74,564.32

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Solution

The fourth proportional to 153,473.44, 230,149.68 and 74,564.32 is: 111,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,473.44 : 230,149.68 = 74,564.32 : x
  2. Step 2: Convert to fraction form
    153,473.44/230,149.68 = 74,564.32/x
  3. Step 3: Cross multiply
    153,473.44x = 230,149.68 × 74,564.32
  4. Step 4: Simplify right side
    153,473.44x = 17,160,954,387.42
  5. Step 5: Solve for x
    x = 17,160,954,387.42/153,473.44
  6. Step 6: Final answer
    x = 111,817.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.