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Finding the Fourth Proportional to 111,082.84, 166,473.23 and 46,987.68

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Solution

The fourth proportional to 111,082.84, 166,473.23 and 46,987.68 is: 70,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,082.84 : 166,473.23 = 46,987.68 : x
  2. Step 2: Convert to fraction form
    111,082.84/166,473.23 = 46,987.68/x
  3. Step 3: Cross multiply
    111,082.84x = 166,473.23 × 46,987.68
  4. Step 4: Simplify right side
    111,082.84x = 7,822,190,859.81
  5. Step 5: Solve for x
    x = 7,822,190,859.81/111,082.84
  6. Step 6: Final answer
    x = 70,417.63

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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.