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Finding the Fourth Proportional to 232,498.13, 348,750.43 and 66,286.13

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Solution

The fourth proportional to 232,498.13, 348,750.43 and 66,286.13 is: 99,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,498.13 : 348,750.43 = 66,286.13 : x
  2. Step 2: Convert to fraction form
    232,498.13/348,750.43 = 66,286.13/x
  3. Step 3: Cross multiply
    232,498.13x = 348,750.43 × 66,286.13
  4. Step 4: Simplify right side
    232,498.13x = 23,117,314,431.07
  5. Step 5: Solve for x
    x = 23,117,314,431.07/232,498.13
  6. Step 6: Final answer
    x = 99,430.11

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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.