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Finding the Fourth Proportional to 66,085.11, 99,226.10 and 26,719.11

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Solution

The fourth proportional to 66,085.11, 99,226.10 and 26,719.11 is: 40,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.11 : 99,226.10 = 26,719.11 : x
  2. Step 2: Convert to fraction form
    66,085.11/99,226.10 = 26,719.11/x
  3. Step 3: Cross multiply
    66,085.11x = 99,226.10 × 26,719.11
  4. Step 4: Simplify right side
    66,085.11x = 2,651,232,947.18
  5. Step 5: Solve for x
    x = 2,651,232,947.18/66,085.11
  6. Step 6: Final answer
    x = 40,118.46

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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.