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Finding the Fourth Proportional to 86,483.32, 119,347.14 and 48,757.48

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Solution

The fourth proportional to 86,483.32, 119,347.14 and 48,757.48 is: 67,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,483.32 : 119,347.14 = 48,757.48 : x
  2. Step 2: Convert to fraction form
    86,483.32/119,347.14 = 48,757.48/x
  3. Step 3: Cross multiply
    86,483.32x = 119,347.14 × 48,757.48
  4. Step 4: Simplify right side
    86,483.32x = 5,819,065,791.61
  5. Step 5: Solve for x
    x = 5,819,065,791.61/86,483.32
  6. Step 6: Final answer
    x = 67,285.41

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1.5x scale

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.