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Finding the Fourth Proportional to 101,769, 140,441.22 and 62,025

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Solution

The fourth proportional to 101,769, 140,441.22 and 62,025 is: 85,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,769 : 140,441.22 = 62,025 : x
  2. Step 2: Convert to fraction form
    101,769/140,441.22 = 62,025/x
  3. Step 3: Cross multiply
    101,769x = 140,441.22 × 62,025
  4. Step 4: Simplify right side
    101,769x = 8,710,866,670.50
  5. Step 5: Solve for x
    x = 8,710,866,670.50/101,769
  6. Step 6: Final answer
    x = 85,594.50

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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.