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Finding the Fourth Proportional to 97,470.77, 134,494.49 and 55,028.39

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Solution

The fourth proportional to 97,470.77, 134,494.49 and 55,028.39 is: 75,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,470.77 : 134,494.49 = 55,028.39 : x
  2. Step 2: Convert to fraction form
    97,470.77/134,494.49 = 55,028.39/x
  3. Step 3: Cross multiply
    97,470.77x = 134,494.49 × 55,028.39
  4. Step 4: Simplify right side
    97,470.77x = 7,401,014,713.67
  5. Step 5: Solve for x
    x = 7,401,014,713.67/97,470.77
  6. Step 6: Final answer
    x = 75,930.61

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1.5x scale

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.