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Finding the Fourth Proportional to 163,462.20, 245,193.30 and 58,243.20

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Solution

The fourth proportional to 163,462.20, 245,193.30 and 58,243.20 is: 87,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,462.20 : 245,193.30 = 58,243.20 : x
  2. Step 2: Convert to fraction form
    163,462.20/245,193.30 = 58,243.20/x
  3. Step 3: Cross multiply
    163,462.20x = 245,193.30 × 58,243.20
  4. Step 4: Simplify right side
    163,462.20x = 14,280,842,410.56
  5. Step 5: Solve for x
    x = 14,280,842,410.56/163,462.20
  6. Step 6: Final answer
    x = 87,364.80

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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.