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Finding the Fourth Proportional to 163,843.74, 245,371.95 and 93,509.82

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Solution

The fourth proportional to 163,843.74, 245,371.95 and 93,509.82 is: 140,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,843.74 : 245,371.95 = 93,509.82 : x
  2. Step 2: Convert to fraction form
    163,843.74/245,371.95 = 93,509.82/x
  3. Step 3: Cross multiply
    163,843.74x = 245,371.95 × 93,509.82
  4. Step 4: Simplify right side
    163,843.74x = 22,944,686,877.55
  5. Step 5: Solve for x
    x = 22,944,686,877.55/163,843.74
  6. Step 6: Final answer
    x = 140,040.06

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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.