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Finding the Fourth Proportional to 228,023.70, 342,035.55 and 61,811.70

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Solution

The fourth proportional to 228,023.70, 342,035.55 and 61,811.70 is: 92,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,023.70 : 342,035.55 = 61,811.70 : x
  2. Step 2: Convert to fraction form
    228,023.70/342,035.55 = 61,811.70/x
  3. Step 3: Cross multiply
    228,023.70x = 342,035.55 × 61,811.70
  4. Step 4: Simplify right side
    228,023.70x = 21,141,798,805.94
  5. Step 5: Solve for x
    x = 21,141,798,805.94/228,023.70
  6. Step 6: Final answer
    x = 92,717.55

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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.