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Finding the Fourth Proportional to 163,528.20, 245,243.70 and 63,630.90

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Solution

The fourth proportional to 163,528.20, 245,243.70 and 63,630.90 is: 95,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,528.20 : 245,243.70 = 63,630.90 : x
  2. Step 2: Convert to fraction form
    163,528.20/245,243.70 = 63,630.90/x
  3. Step 3: Cross multiply
    163,528.20x = 245,243.70 × 63,630.90
  4. Step 4: Simplify right side
    163,528.20x = 15,605,077,350.33
  5. Step 5: Solve for x
    x = 15,605,077,350.33/163,528.20
  6. Step 6: Final answer
    x = 95,427.44

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1.5x scale

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.