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Finding the Fourth Proportional to 310,266.60, 465,400.08 and 88,650.60

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Solution

The fourth proportional to 310,266.60, 465,400.08 and 88,650.60 is: 132,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,266.60 : 465,400.08 = 88,650.60 : x
  2. Step 2: Convert to fraction form
    310,266.60/465,400.08 = 88,650.60/x
  3. Step 3: Cross multiply
    310,266.60x = 465,400.08 × 88,650.60
  4. Step 4: Simplify right side
    310,266.60x = 41,257,996,332.05
  5. Step 5: Solve for x
    x = 41,257,996,332.05/310,266.60
  6. Step 6: Final answer
    x = 132,975.95

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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.