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Finding the Fourth Proportional to 70,203.84, 105,311.20 and 23,456.88

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Solution

The fourth proportional to 70,203.84, 105,311.20 and 23,456.88 is: 35,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203.84 : 105,311.20 = 23,456.88 : x
  2. Step 2: Convert to fraction form
    70,203.84/105,311.20 = 23,456.88/x
  3. Step 3: Cross multiply
    70,203.84x = 105,311.20 × 23,456.88
  4. Step 4: Simplify right side
    70,203.84x = 2,470,272,181.06
  5. Step 5: Solve for x
    x = 2,470,272,181.06/70,203.84
  6. Step 6: Final answer
    x = 35,187.14

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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.