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Finding the Fourth Proportional to 227,636.68, 314,168.34 and 127,055.56

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Solution

The fourth proportional to 227,636.68, 314,168.34 and 127,055.56 is: 175,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,636.68 : 314,168.34 = 127,055.56 : x
  2. Step 2: Convert to fraction form
    227,636.68/314,168.34 = 127,055.56/x
  3. Step 3: Cross multiply
    227,636.68x = 314,168.34 × 127,055.56
  4. Step 4: Simplify right side
    227,636.68x = 39,916,834,372.97
  5. Step 5: Solve for x
    x = 39,916,834,372.97/227,636.68
  6. Step 6: Final answer
    x = 175,353.26

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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.