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Finding the Fourth Proportional to 111,193.77, 166,791 and 26,953.61

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Solution

The fourth proportional to 111,193.77, 166,791 and 26,953.61 is: 40,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.77 : 166,791 = 26,953.61 : x
  2. Step 2: Convert to fraction form
    111,193.77/166,791 = 26,953.61/x
  3. Step 3: Cross multiply
    111,193.77x = 166,791 × 26,953.61
  4. Step 4: Simplify right side
    111,193.77x = 4,495,619,565.51
  5. Step 5: Solve for x
    x = 4,495,619,565.51/111,193.77
  6. Step 6: Final answer
    x = 40,430.50

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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.