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Finding the Fourth Proportional to 71,247.71, 106,837.06 and 29,111.06

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Solution

The fourth proportional to 71,247.71, 106,837.06 and 29,111.06 is: 43,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247.71 : 106,837.06 = 29,111.06 : x
  2. Step 2: Convert to fraction form
    71,247.71/106,837.06 = 29,111.06/x
  3. Step 3: Cross multiply
    71,247.71x = 106,837.06 × 29,111.06
  4. Step 4: Simplify right side
    71,247.71x = 3,110,140,063.88
  5. Step 5: Solve for x
    x = 3,110,140,063.88/71,247.71
  6. Step 6: Final answer
    x = 43,652.49

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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.