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Finding the Fourth Proportional to 75,401.06, 104,045.49 and 43,580.06

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Solution

The fourth proportional to 75,401.06, 104,045.49 and 43,580.06 is: 60,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.06 : 104,045.49 = 43,580.06 : x
  2. Step 2: Convert to fraction form
    75,401.06/104,045.49 = 43,580.06/x
  3. Step 3: Cross multiply
    75,401.06x = 104,045.49 × 43,580.06
  4. Step 4: Simplify right side
    75,401.06x = 4,534,308,696.93
  5. Step 5: Solve for x
    x = 4,534,308,696.93/75,401.06
  6. Step 6: Final answer
    x = 60,135.87

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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.