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Finding the Fourth Proportional to 227,615.91, 314,127.38 and 125,661.06

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Solution

The fourth proportional to 227,615.91, 314,127.38 and 125,661.06 is: 173,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,615.91 : 314,127.38 = 125,661.06 : x
  2. Step 2: Convert to fraction form
    227,615.91/314,127.38 = 125,661.06/x
  3. Step 3: Cross multiply
    227,615.91x = 314,127.38 × 125,661.06
  4. Step 4: Simplify right side
    227,615.91x = 39,473,578,917.52
  5. Step 5: Solve for x
    x = 39,473,578,917.52/227,615.91
  6. Step 6: Final answer
    x = 173,421.88

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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.