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Finding the Fourth Proportional to 226,513, 312,588.16 and 124,540.20

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Solution

The fourth proportional to 226,513, 312,588.16 and 124,540.20 is: 171,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,513 : 312,588.16 = 124,540.20 : x
  2. Step 2: Convert to fraction form
    226,513/312,588.16 = 124,540.20/x
  3. Step 3: Cross multiply
    226,513x = 312,588.16 × 124,540.20
  4. Step 4: Simplify right side
    226,513x = 38,929,791,964.03
  5. Step 5: Solve for x
    x = 38,929,791,964.03/226,513
  6. Step 6: Final answer
    x = 171,865.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.