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Finding the Fourth Proportional to 155,885.52, 233,734.56 and 61,002.51

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Solution

The fourth proportional to 155,885.52, 233,734.56 and 61,002.51 is: 91,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,885.52 : 233,734.56 = 61,002.51 : x
  2. Step 2: Convert to fraction form
    155,885.52/233,734.56 = 61,002.51/x
  3. Step 3: Cross multiply
    155,885.52x = 233,734.56 × 61,002.51
  4. Step 4: Simplify right side
    155,885.52x = 14,258,394,833.75
  5. Step 5: Solve for x
    x = 14,258,394,833.75/155,885.52
  6. Step 6: Final answer
    x = 91,467.09

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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.