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Finding the Fourth Proportional to 227,663.96, 314,186.77 and 125,703.89

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Solution

The fourth proportional to 227,663.96, 314,186.77 and 125,703.89 is: 173,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,663.96 : 314,186.77 = 125,703.89 : x
  2. Step 2: Convert to fraction form
    227,663.96/314,186.77 = 125,703.89/x
  3. Step 3: Cross multiply
    227,663.96x = 314,186.77 × 125,703.89
  4. Step 4: Simplify right side
    227,663.96x = 39,494,498,939.93
  5. Step 5: Solve for x
    x = 39,494,498,939.93/227,663.96
  6. Step 6: Final answer
    x = 173,477.17

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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.