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Finding the Fourth Proportional to 58,865.40, 88,200.90 and 50,117.40

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Solution

The fourth proportional to 58,865.40, 88,200.90 and 50,117.40 is: 75,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,865.40 : 88,200.90 = 50,117.40 : x
  2. Step 2: Convert to fraction form
    58,865.40/88,200.90 = 50,117.40/x
  3. Step 3: Cross multiply
    58,865.40x = 88,200.90 × 50,117.40
  4. Step 4: Simplify right side
    58,865.40x = 4,420,399,785.66
  5. Step 5: Solve for x
    x = 4,420,399,785.66/58,865.40
  6. Step 6: Final answer
    x = 75,093.34

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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.