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Finding the Fourth Proportional to 192,605.70, 288,793.35 and 99,293.70

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Solution

The fourth proportional to 192,605.70, 288,793.35 and 99,293.70 is: 148,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,605.70 : 288,793.35 = 99,293.70 : x
  2. Step 2: Convert to fraction form
    192,605.70/288,793.35 = 99,293.70/x
  3. Step 3: Cross multiply
    192,605.70x = 288,793.35 × 99,293.70
  4. Step 4: Simplify right side
    192,605.70x = 28,675,360,256.90
  5. Step 5: Solve for x
    x = 28,675,360,256.90/192,605.70
  6. Step 6: Final answer
    x = 148,881.16

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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.