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Finding the Fourth Proportional to 63,208.54, 87,223.35 and 34,912

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Solution

The fourth proportional to 63,208.54, 87,223.35 and 34,912 is: 48,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,208.54 : 87,223.35 = 34,912 : x
  2. Step 2: Convert to fraction form
    63,208.54/87,223.35 = 34,912/x
  3. Step 3: Cross multiply
    63,208.54x = 87,223.35 × 34,912
  4. Step 4: Simplify right side
    63,208.54x = 3,045,141,595.20
  5. Step 5: Solve for x
    x = 3,045,141,595.20/63,208.54
  6. Step 6: Final answer
    x = 48,176.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.