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Finding the Fourth Proportional to 70,883.40, 106,325.10 and 47,536.20

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Solution

The fourth proportional to 70,883.40, 106,325.10 and 47,536.20 is: 71,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.40 : 106,325.10 = 47,536.20 : x
  2. Step 2: Convert to fraction form
    70,883.40/106,325.10 = 47,536.20/x
  3. Step 3: Cross multiply
    70,883.40x = 106,325.10 × 47,536.20
  4. Step 4: Simplify right side
    70,883.40x = 5,054,291,218.62
  5. Step 5: Solve for x
    x = 5,054,291,218.62/70,883.40
  6. Step 6: Final answer
    x = 71,304.30

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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.