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Finding the Fourth Proportional to 227,589.74, 314,073.64 and 126,987.74

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Solution

The fourth proportional to 227,589.74, 314,073.64 and 126,987.74 is: 175,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,589.74 : 314,073.64 = 126,987.74 : x
  2. Step 2: Convert to fraction form
    227,589.74/314,073.64 = 126,987.74/x
  3. Step 3: Cross multiply
    227,589.74x = 314,073.64 × 126,987.74
  4. Step 4: Simplify right side
    227,589.74x = 39,883,501,737.17
  5. Step 5: Solve for x
    x = 39,883,501,737.17/227,589.74
  6. Step 6: Final answer
    x = 175,242.97

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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.