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Finding the Fourth Proportional to 310,496.76, 465,745.08 and 132,888.60

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Solution

The fourth proportional to 310,496.76, 465,745.08 and 132,888.60 is: 199,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,496.76 : 465,745.08 = 132,888.60 : x
  2. Step 2: Convert to fraction form
    310,496.76/465,745.08 = 132,888.60/x
  3. Step 3: Cross multiply
    310,496.76x = 465,745.08 × 132,888.60
  4. Step 4: Simplify right side
    310,496.76x = 61,892,211,638.09
  5. Step 5: Solve for x
    x = 61,892,211,638.09/310,496.76
  6. Step 6: Final answer
    x = 199,332.87

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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.