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Finding the Fourth Proportional to 114,301.40, 171,452.10 and 74,443.33

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Solution

The fourth proportional to 114,301.40, 171,452.10 and 74,443.33 is: 111,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,301.40 : 171,452.10 = 74,443.33 : x
  2. Step 2: Convert to fraction form
    114,301.40/171,452.10 = 74,443.33/x
  3. Step 3: Cross multiply
    114,301.40x = 171,452.10 × 74,443.33
  4. Step 4: Simplify right side
    114,301.40x = 12,763,464,402.23
  5. Step 5: Solve for x
    x = 12,763,464,402.23/114,301.40
  6. Step 6: Final answer
    x = 111,664.99

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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.