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Finding the Fourth Proportional to 226,580.01, 312,683.13 and 124,616.55

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Solution

The fourth proportional to 226,580.01, 312,683.13 and 124,616.55 is: 171,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,580.01 : 312,683.13 = 124,616.55 : x
  2. Step 2: Convert to fraction form
    226,580.01/312,683.13 = 124,616.55/x
  3. Step 3: Cross multiply
    226,580.01x = 312,683.13 × 124,616.55
  4. Step 4: Simplify right side
    226,580.01x = 38,965,492,903.80
  5. Step 5: Solve for x
    x = 38,965,492,903.80/226,580.01
  6. Step 6: Final answer
    x = 171,972.33

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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.