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Finding the Fourth Proportional to 155,679.98, 233,402.31 and 65,750.54

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Solution

The fourth proportional to 155,679.98, 233,402.31 and 65,750.54 is: 98,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,679.98 : 233,402.31 = 65,750.54 : x
  2. Step 2: Convert to fraction form
    155,679.98/233,402.31 = 65,750.54/x
  3. Step 3: Cross multiply
    155,679.98x = 233,402.31 × 65,750.54
  4. Step 4: Simplify right side
    155,679.98x = 15,346,326,752.74
  5. Step 5: Solve for x
    x = 15,346,326,752.74/155,679.98
  6. Step 6: Final answer
    x = 98,576.11

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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.