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Finding the Fourth Proportional to 86,801.90, 119,797.64 and 48,563.58

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Solution

The fourth proportional to 86,801.90, 119,797.64 and 48,563.58 is: 67,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.90 : 119,797.64 = 48,563.58 : x
  2. Step 2: Convert to fraction form
    86,801.90/119,797.64 = 48,563.58/x
  3. Step 3: Cross multiply
    86,801.90x = 119,797.64 × 48,563.58
  4. Step 4: Simplify right side
    86,801.90x = 5,817,802,273.95
  5. Step 5: Solve for x
    x = 5,817,802,273.95/86,801.90
  6. Step 6: Final answer
    x = 67,023.90

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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.