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Finding the Fourth Proportional to 58,824.40, 88,139.40 and 50,465.20

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Solution

The fourth proportional to 58,824.40, 88,139.40 and 50,465.20 is: 75,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,824.40 : 88,139.40 = 50,465.20 : x
  2. Step 2: Convert to fraction form
    58,824.40/88,139.40 = 50,465.20/x
  3. Step 3: Cross multiply
    58,824.40x = 88,139.40 × 50,465.20
  4. Step 4: Simplify right side
    58,824.40x = 4,447,972,448.88
  5. Step 5: Solve for x
    x = 4,447,972,448.88/58,824.40
  6. Step 6: Final answer
    x = 75,614.41

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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.