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Finding the Fourth Proportional to 227,916.48, 314,524.73 and 127,314.48

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Solution

The fourth proportional to 227,916.48, 314,524.73 and 127,314.48 is: 175,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,916.48 : 314,524.73 = 127,314.48 : x
  2. Step 2: Convert to fraction form
    227,916.48/314,524.73 = 127,314.48/x
  3. Step 3: Cross multiply
    227,916.48x = 314,524.73 × 127,314.48
  4. Step 4: Simplify right side
    227,916.48x = 40,043,552,447.09
  5. Step 5: Solve for x
    x = 40,043,552,447.09/227,916.48
  6. Step 6: Final answer
    x = 175,693.98

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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.