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Finding the Fourth Proportional to 202,088.80, 302,614.80 and 192,757.60

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Solution

The fourth proportional to 202,088.80, 302,614.80 and 192,757.60 is: 288,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088.80 : 302,614.80 = 192,757.60 : x
  2. Step 2: Convert to fraction form
    202,088.80/302,614.80 = 192,757.60/x
  3. Step 3: Cross multiply
    202,088.80x = 302,614.80 × 192,757.60
  4. Step 4: Simplify right side
    202,088.80x = 58,331,302,572.48
  5. Step 5: Solve for x
    x = 58,331,302,572.48/202,088.80
  6. Step 6: Final answer
    x = 288,641.94

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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.