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Finding the Fourth Proportional to 70,754.36, 106,106.90 and 23,359.32

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Solution

The fourth proportional to 70,754.36, 106,106.90 and 23,359.32 is: 35,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.36 : 106,106.90 = 23,359.32 : x
  2. Step 2: Convert to fraction form
    70,754.36/106,106.90 = 23,359.32/x
  3. Step 3: Cross multiply
    70,754.36x = 106,106.90 × 23,359.32
  4. Step 4: Simplify right side
    70,754.36x = 2,478,585,031.31
  5. Step 5: Solve for x
    x = 2,478,585,031.31/70,754.36
  6. Step 6: Final answer
    x = 35,030.85

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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.