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Finding the Fourth Proportional to 202,439.40, 303,659.10 and 163,073.40

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Solution

The fourth proportional to 202,439.40, 303,659.10 and 163,073.40 is: 244,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,439.40 : 303,659.10 = 163,073.40 : x
  2. Step 2: Convert to fraction form
    202,439.40/303,659.10 = 163,073.40/x
  3. Step 3: Cross multiply
    202,439.40x = 303,659.10 × 163,073.40
  4. Step 4: Simplify right side
    202,439.40x = 49,518,721,877.94
  5. Step 5: Solve for x
    x = 49,518,721,877.94/202,439.40
  6. Step 6: Final answer
    x = 244,610.10

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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.