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Finding the Fourth Proportional to 136,253.54, 205,660.07 and 136,253.54

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Solution

The fourth proportional to 136,253.54, 205,660.07 and 136,253.54 is: 205,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,253.54 : 205,660.07 = 136,253.54 : x
  2. Step 2: Convert to fraction form
    136,253.54/205,660.07 = 136,253.54/x
  3. Step 3: Cross multiply
    136,253.54x = 205,660.07 × 136,253.54
  4. Step 4: Simplify right side
    136,253.54x = 28,021,912,574.15
  5. Step 5: Solve for x
    x = 28,021,912,574.15/136,253.54
  6. Step 6: Final answer
    x = 205,660.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.