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Finding the Fourth Proportional to 233,787.60, 350,429.90 and 100,730.52

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Solution

The fourth proportional to 233,787.60, 350,429.90 and 100,730.52 is: 150,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,787.60 : 350,429.90 = 100,730.52 : x
  2. Step 2: Convert to fraction form
    233,787.60/350,429.90 = 100,730.52/x
  3. Step 3: Cross multiply
    233,787.60x = 350,429.90 × 100,730.52
  4. Step 4: Simplify right side
    233,787.60x = 35,298,985,546.90
  5. Step 5: Solve for x
    x = 35,298,985,546.90/233,787.60
  6. Step 6: Final answer
    x = 150,987.42

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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.