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Finding the Fourth Proportional to 111,903.17, 167,854.77 and 107,043.95

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Solution

The fourth proportional to 111,903.17, 167,854.77 and 107,043.95 is: 160,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,903.17 : 167,854.77 = 107,043.95 : x
  2. Step 2: Convert to fraction form
    111,903.17/167,854.77 = 107,043.95/x
  3. Step 3: Cross multiply
    111,903.17x = 167,854.77 × 107,043.95
  4. Step 4: Simplify right side
    111,903.17x = 17,967,836,767.87
  5. Step 5: Solve for x
    x = 17,967,836,767.87/111,903.17
  6. Step 6: Final answer
    x = 160,565.94

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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.