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Finding the Fourth Proportional to 70,837.70, 106,264.34 and 23,435.52

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Solution

The fourth proportional to 70,837.70, 106,264.34 and 23,435.52 is: 35,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,837.70 : 106,264.34 = 23,435.52 : x
  2. Step 2: Convert to fraction form
    70,837.70/106,264.34 = 23,435.52/x
  3. Step 3: Cross multiply
    70,837.70x = 106,264.34 × 23,435.52
  4. Step 4: Simplify right side
    70,837.70x = 2,490,360,065.36
  5. Step 5: Solve for x
    x = 2,490,360,065.36/70,837.70
  6. Step 6: Final answer
    x = 35,155.86

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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.