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Finding the Fourth Proportional to 152,481.52, 210,424.56 and 92,865.52

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Solution

The fourth proportional to 152,481.52, 210,424.56 and 92,865.52 is: 128,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,481.52 : 210,424.56 = 92,865.52 : x
  2. Step 2: Convert to fraction form
    152,481.52/210,424.56 = 92,865.52/x
  3. Step 3: Cross multiply
    152,481.52x = 210,424.56 × 92,865.52
  4. Step 4: Simplify right side
    152,481.52x = 19,541,186,185.17
  5. Step 5: Solve for x
    x = 19,541,186,185.17/152,481.52
  6. Step 6: Final answer
    x = 128,154.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.