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Finding the Fourth Proportional to 232,436.72, 348,802.56 and 99,318

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Solution

The fourth proportional to 232,436.72, 348,802.56 and 99,318 is: 149,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,436.72 : 348,802.56 = 99,318 : x
  2. Step 2: Convert to fraction form
    232,436.72/348,802.56 = 99,318/x
  3. Step 3: Cross multiply
    232,436.72x = 348,802.56 × 99,318
  4. Step 4: Simplify right side
    232,436.72x = 34,642,372,654.08
  5. Step 5: Solve for x
    x = 34,642,372,654.08/232,436.72
  6. Step 6: Final answer
    x = 149,040.02

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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.