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Finding the Fourth Proportional to 154,993, 232,491.66 and 44,185

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Solution

The fourth proportional to 154,993, 232,491.66 and 44,185 is: 66,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,993 : 232,491.66 = 44,185 : x
  2. Step 2: Convert to fraction form
    154,993/232,491.66 = 44,185/x
  3. Step 3: Cross multiply
    154,993x = 232,491.66 × 44,185
  4. Step 4: Simplify right side
    154,993x = 10,272,643,997.10
  5. Step 5: Solve for x
    x = 10,272,643,997.10/154,993
  6. Step 6: Final answer
    x = 66,278.12

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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.