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Finding the Fourth Proportional to 227,572.81, 314,068.29 and 125,618.51

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Solution

The fourth proportional to 227,572.81, 314,068.29 and 125,618.51 is: 173,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,572.81 : 314,068.29 = 125,618.51 : x
  2. Step 2: Convert to fraction form
    227,572.81/314,068.29 = 125,618.51/x
  3. Step 3: Cross multiply
    227,572.81x = 314,068.29 × 125,618.51
  4. Step 4: Simplify right side
    227,572.81x = 39,452,790,942.15
  5. Step 5: Solve for x
    x = 39,452,790,942.15/227,572.81
  6. Step 6: Final answer
    x = 173,363.38

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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.