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Finding the Fourth Proportional to 192,141.78, 265,155.90 and 107,258.76

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Solution

The fourth proportional to 192,141.78, 265,155.90 and 107,258.76 is: 148,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,141.78 : 265,155.90 = 107,258.76 : x
  2. Step 2: Convert to fraction form
    192,141.78/265,155.90 = 107,258.76/x
  3. Step 3: Cross multiply
    192,141.78x = 265,155.90 × 107,258.76
  4. Step 4: Simplify right side
    192,141.78x = 28,440,293,040.68
  5. Step 5: Solve for x
    x = 28,440,293,040.68/192,141.78
  6. Step 6: Final answer
    x = 148,017.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.