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Finding the Fourth Proportional to 163,560.96, 245,341.44 and 52,752.96

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Solution

The fourth proportional to 163,560.96, 245,341.44 and 52,752.96 is: 79,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,560.96 : 245,341.44 = 52,752.96 : x
  2. Step 2: Convert to fraction form
    163,560.96/245,341.44 = 52,752.96/x
  3. Step 3: Cross multiply
    163,560.96x = 245,341.44 × 52,752.96
  4. Step 4: Simplify right side
    163,560.96x = 12,942,487,170.66
  5. Step 5: Solve for x
    x = 12,942,487,170.66/163,560.96
  6. Step 6: Final answer
    x = 79,129.44

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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.