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Finding the Fourth Proportional to 81,966.60, 122,950.12 and 22,802.28

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Solution

The fourth proportional to 81,966.60, 122,950.12 and 22,802.28 is: 34,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.60 : 122,950.12 = 22,802.28 : x
  2. Step 2: Convert to fraction form
    81,966.60/122,950.12 = 22,802.28/x
  3. Step 3: Cross multiply
    81,966.60x = 122,950.12 × 22,802.28
  4. Step 4: Simplify right side
    81,966.60x = 2,803,542,874.50
  5. Step 5: Solve for x
    x = 2,803,542,874.50/81,966.60
  6. Step 6: Final answer
    x = 34,203.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.