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Finding the Fourth Proportional to 229,642.65, 344,411.33 and 87,504.05

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Solution

The fourth proportional to 229,642.65, 344,411.33 and 87,504.05 is: 131,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,642.65 : 344,411.33 = 87,504.05 : x
  2. Step 2: Convert to fraction form
    229,642.65/344,411.33 = 87,504.05/x
  3. Step 3: Cross multiply
    229,642.65x = 344,411.33 × 87,504.05
  4. Step 4: Simplify right side
    229,642.65x = 30,137,386,664.39
  5. Step 5: Solve for x
    x = 30,137,386,664.39/229,642.65
  6. Step 6: Final answer
    x = 131,236.02

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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.