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Finding the Fourth Proportional to 86,283.90, 119,048.54 and 50,482.71

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Solution

The fourth proportional to 86,283.90, 119,048.54 and 50,482.71 is: 69,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283.90 : 119,048.54 = 50,482.71 : x
  2. Step 2: Convert to fraction form
    86,283.90/119,048.54 = 50,482.71/x
  3. Step 3: Cross multiply
    86,283.90x = 119,048.54 × 50,482.71
  4. Step 4: Simplify right side
    86,283.90x = 6,009,892,668.33
  5. Step 5: Solve for x
    x = 6,009,892,668.33/86,283.90
  6. Step 6: Final answer
    x = 69,652.54

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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.