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Finding the Fourth Proportional to 70,765.03, 106,060.06 and 35,685.55

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Solution

The fourth proportional to 70,765.03, 106,060.06 and 35,685.55 is: 53,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.03 : 106,060.06 = 35,685.55 : x
  2. Step 2: Convert to fraction form
    70,765.03/106,060.06 = 35,685.55/x
  3. Step 3: Cross multiply
    70,765.03x = 106,060.06 × 35,685.55
  4. Step 4: Simplify right side
    70,765.03x = 3,784,810,865.40
  5. Step 5: Solve for x
    x = 3,784,810,865.40/70,765.03
  6. Step 6: Final answer
    x = 53,484.20

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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.