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Finding the Fourth Proportional to 228,064.37, 314,723.90 and 126,094.13

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Solution

The fourth proportional to 228,064.37, 314,723.90 and 126,094.13 is: 174,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,064.37 : 314,723.90 = 126,094.13 : x
  2. Step 2: Convert to fraction form
    228,064.37/314,723.90 = 126,094.13/x
  3. Step 3: Cross multiply
    228,064.37x = 314,723.90 × 126,094.13
  4. Step 4: Simplify right side
    228,064.37x = 39,684,834,156.62
  5. Step 5: Solve for x
    x = 39,684,834,156.62/228,064.37
  6. Step 6: Final answer
    x = 174,007.17

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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.