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Finding the Fourth Proportional to 111,162.63, 166,751.41 and 39,106.92

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Solution

The fourth proportional to 111,162.63, 166,751.41 and 39,106.92 is: 58,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,162.63 : 166,751.41 = 39,106.92 : x
  2. Step 2: Convert to fraction form
    111,162.63/166,751.41 = 39,106.92/x
  3. Step 3: Cross multiply
    111,162.63x = 166,751.41 × 39,106.92
  4. Step 4: Simplify right side
    111,162.63x = 6,521,134,050.76
  5. Step 5: Solve for x
    x = 6,521,134,050.76/111,162.63
  6. Step 6: Final answer
    x = 58,663.01

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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.