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Finding the Fourth Proportional to 163,679.60, 245,363.16 and 93,423.44

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Solution

The fourth proportional to 163,679.60, 245,363.16 and 93,423.44 is: 140,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.60 : 245,363.16 = 93,423.44 : x
  2. Step 2: Convert to fraction form
    163,679.60/245,363.16 = 93,423.44/x
  3. Step 3: Cross multiply
    163,679.60x = 245,363.16 × 93,423.44
  4. Step 4: Simplify right side
    163,679.60x = 22,922,670,456.47
  5. Step 5: Solve for x
    x = 22,922,670,456.47/163,679.60
  6. Step 6: Final answer
    x = 140,045.98

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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.