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Finding the Fourth Proportional to 235,724.36, 353,641.46 and 67,247.01

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Solution

The fourth proportional to 235,724.36, 353,641.46 and 67,247.01 is: 100,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,724.36 : 353,641.46 = 67,247.01 : x
  2. Step 2: Convert to fraction form
    235,724.36/353,641.46 = 67,247.01/x
  3. Step 3: Cross multiply
    235,724.36x = 353,641.46 × 67,247.01
  4. Step 4: Simplify right side
    235,724.36x = 23,781,330,460.80
  5. Step 5: Solve for x
    x = 23,781,330,460.80/235,724.36
  6. Step 6: Final answer
    x = 100,886.18

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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.