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Finding the Fourth Proportional to 232,499, 348,751.74 and 66,287

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Solution

The fourth proportional to 232,499, 348,751.74 and 66,287 is: 99,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,499 : 348,751.74 = 66,287 : x
  2. Step 2: Convert to fraction form
    232,499/348,751.74 = 66,287/x
  3. Step 3: Cross multiply
    232,499x = 348,751.74 × 66,287
  4. Step 4: Simplify right side
    232,499x = 23,117,706,589.38
  5. Step 5: Solve for x
    x = 23,117,706,589.38/232,499
  6. Step 6: Final answer
    x = 99,431.42

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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.