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Finding the Fourth Proportional to 70,753.36, 106,105.40 and 23,358.32

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Solution

The fourth proportional to 70,753.36, 106,105.40 and 23,358.32 is: 35,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,753.36 : 106,105.40 = 23,358.32 : x
  2. Step 2: Convert to fraction form
    70,753.36/106,105.40 = 23,358.32/x
  3. Step 3: Cross multiply
    70,753.36x = 106,105.40 × 23,358.32
  4. Step 4: Simplify right side
    70,753.36x = 2,478,443,886.93
  5. Step 5: Solve for x
    x = 2,478,443,886.93/70,753.36
  6. Step 6: Final answer
    x = 35,029.35

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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.