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Finding the Fourth Proportional to 70,802.82, 106,204.23 and 29,250.90

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Solution

The fourth proportional to 70,802.82, 106,204.23 and 29,250.90 is: 43,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.82 : 106,204.23 = 29,250.90 : x
  2. Step 2: Convert to fraction form
    70,802.82/106,204.23 = 29,250.90/x
  3. Step 3: Cross multiply
    70,802.82x = 106,204.23 × 29,250.90
  4. Step 4: Simplify right side
    70,802.82x = 3,106,569,311.31
  5. Step 5: Solve for x
    x = 3,106,569,311.31/70,802.82
  6. Step 6: Final answer
    x = 43,876.35

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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.