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Finding the Fourth Proportional to 157,474.52, 235,948.82 and 110,643.56

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Solution

The fourth proportional to 157,474.52, 235,948.82 and 110,643.56 is: 165,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,474.52 : 235,948.82 = 110,643.56 : x
  2. Step 2: Convert to fraction form
    157,474.52/235,948.82 = 110,643.56/x
  3. Step 3: Cross multiply
    157,474.52x = 235,948.82 × 110,643.56
  4. Step 4: Simplify right side
    157,474.52x = 26,106,217,422.60
  5. Step 5: Solve for x
    x = 26,106,217,422.60/157,474.52
  6. Step 6: Final answer
    x = 165,780.58

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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.