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Finding the Fourth Proportional to 86,262.54, 119,035.89 and 48,529.50

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Solution

The fourth proportional to 86,262.54, 119,035.89 and 48,529.50 is: 66,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262.54 : 119,035.89 = 48,529.50 : x
  2. Step 2: Convert to fraction form
    86,262.54/119,035.89 = 48,529.50/x
  3. Step 3: Cross multiply
    86,262.54x = 119,035.89 × 48,529.50
  4. Step 4: Simplify right side
    86,262.54x = 5,776,752,223.76
  5. Step 5: Solve for x
    x = 5,776,752,223.76/86,262.54
  6. Step 6: Final answer
    x = 66,967.10

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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.