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Finding the Fourth Proportional to 228,115.62, 314,838.61 and 132,677.66

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Solution

The fourth proportional to 228,115.62, 314,838.61 and 132,677.66 is: 183,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,115.62 : 314,838.61 = 132,677.66 : x
  2. Step 2: Convert to fraction form
    228,115.62/314,838.61 = 132,677.66/x
  3. Step 3: Cross multiply
    228,115.62x = 314,838.61 × 132,677.66
  4. Step 4: Simplify right side
    228,115.62x = 41,772,050,507.86
  5. Step 5: Solve for x
    x = 41,772,050,507.86/228,115.62
  6. Step 6: Final answer
    x = 183,117.89

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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.