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Finding the Fourth Proportional to 163,580.53, 245,370.80 and 45,248.80

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Solution

The fourth proportional to 163,580.53, 245,370.80 and 45,248.80 is: 67,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,580.53 : 245,370.80 = 45,248.80 : x
  2. Step 2: Convert to fraction form
    163,580.53/245,370.80 = 45,248.80/x
  3. Step 3: Cross multiply
    163,580.53x = 245,370.80 × 45,248.80
  4. Step 4: Simplify right side
    163,580.53x = 11,102,734,255.04
  5. Step 5: Solve for x
    x = 11,102,734,255.04/163,580.53
  6. Step 6: Final answer
    x = 67,873.20

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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.