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Finding the Fourth Proportional to 105,959.52, 146,262.50 and 70,161.06

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Solution

The fourth proportional to 105,959.52, 146,262.50 and 70,161.06 is: 96,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,959.52 : 146,262.50 = 70,161.06 : x
  2. Step 2: Convert to fraction form
    105,959.52/146,262.50 = 70,161.06/x
  3. Step 3: Cross multiply
    105,959.52x = 146,262.50 × 70,161.06
  4. Step 4: Simplify right side
    105,959.52x = 10,261,932,213.65
  5. Step 5: Solve for x
    x = 10,261,932,213.65/105,959.52
  6. Step 6: Final answer
    x = 96,847.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.