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Finding the Fourth Proportional to 310,406.96, 465,597.48 and 88,790.96

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Solution

The fourth proportional to 310,406.96, 465,597.48 and 88,790.96 is: 133,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,406.96 : 465,597.48 = 88,790.96 : x
  2. Step 2: Convert to fraction form
    310,406.96/465,597.48 = 88,790.96/x
  3. Step 3: Cross multiply
    310,406.96x = 465,597.48 × 88,790.96
  4. Step 4: Simplify right side
    310,406.96x = 41,340,847,222.78
  5. Step 5: Solve for x
    x = 41,340,847,222.78/310,406.96
  6. Step 6: Final answer
    x = 133,182.73

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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.