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Finding the Fourth Proportional to 163,470.92, 245,154.54 and 52,637

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Solution

The fourth proportional to 163,470.92, 245,154.54 and 52,637 is: 78,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,470.92 : 245,154.54 = 52,637 : x
  2. Step 2: Convert to fraction form
    163,470.92/245,154.54 = 52,637/x
  3. Step 3: Cross multiply
    163,470.92x = 245,154.54 × 52,637
  4. Step 4: Simplify right side
    163,470.92x = 12,904,199,521.98
  5. Step 5: Solve for x
    x = 12,904,199,521.98/163,470.92
  6. Step 6: Final answer
    x = 78,938.81

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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.