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Finding the Fourth Proportional to 324,783.50, 487,117.74 and 88,144.58

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Solution

The fourth proportional to 324,783.50, 487,117.74 and 88,144.58 is: 132,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,783.50 : 487,117.74 = 88,144.58 : x
  2. Step 2: Convert to fraction form
    324,783.50/487,117.74 = 88,144.58/x
  3. Step 3: Cross multiply
    324,783.50x = 487,117.74 × 88,144.58
  4. Step 4: Simplify right side
    324,783.50x = 42,936,788,602.85
  5. Step 5: Solve for x
    x = 42,936,788,602.85/324,783.50
  6. Step 6: Final answer
    x = 132,201.26

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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.