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Finding the Fourth Proportional to 136,258.73, 205,667.96 and 136,258.73

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Solution

The fourth proportional to 136,258.73, 205,667.96 and 136,258.73 is: 205,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,258.73 : 205,667.96 = 136,258.73 : x
  2. Step 2: Convert to fraction form
    136,258.73/205,667.96 = 136,258.73/x
  3. Step 3: Cross multiply
    136,258.73x = 205,667.96 × 136,258.73
  4. Step 4: Simplify right side
    136,258.73x = 28,024,055,031.29
  5. Step 5: Solve for x
    x = 28,024,055,031.29/136,258.73
  6. Step 6: Final answer
    x = 205,667.96

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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.