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Finding the Fourth Proportional to 154,710.60, 232,065.90 and 115,344.60

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Solution

The fourth proportional to 154,710.60, 232,065.90 and 115,344.60 is: 173,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,710.60 : 232,065.90 = 115,344.60 : x
  2. Step 2: Convert to fraction form
    154,710.60/232,065.90 = 115,344.60/x
  3. Step 3: Cross multiply
    154,710.60x = 232,065.90 × 115,344.60
  4. Step 4: Simplify right side
    154,710.60x = 26,767,548,409.14
  5. Step 5: Solve for x
    x = 26,767,548,409.14/154,710.60
  6. Step 6: Final answer
    x = 173,016.90

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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.