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Finding the Fourth Proportional to 163,217.60, 244,502.40 and 143,734.40

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Solution

The fourth proportional to 163,217.60, 244,502.40 and 143,734.40 is: 215,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,217.60 : 244,502.40 = 143,734.40 : x
  2. Step 2: Convert to fraction form
    163,217.60/244,502.40 = 143,734.40/x
  3. Step 3: Cross multiply
    163,217.60x = 244,502.40 × 143,734.40
  4. Step 4: Simplify right side
    163,217.60x = 35,143,405,762.56
  5. Step 5: Solve for x
    x = 35,143,405,762.56/163,217.60
  6. Step 6: Final answer
    x = 215,316.28

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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.