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Finding the Fourth Proportional to 100,838.84, 151,258.20 and 41,609.40

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Solution

The fourth proportional to 100,838.84, 151,258.20 and 41,609.40 is: 62,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,838.84 : 151,258.20 = 41,609.40 : x
  2. Step 2: Convert to fraction form
    100,838.84/151,258.20 = 41,609.40/x
  3. Step 3: Cross multiply
    100,838.84x = 151,258.20 × 41,609.40
  4. Step 4: Simplify right side
    100,838.84x = 6,293,762,947.08
  5. Step 5: Solve for x
    x = 6,293,762,947.08/100,838.84
  6. Step 6: Final answer
    x = 62,414.08

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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.