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Finding the Fourth Proportional to 227,627.61, 314,143.50 and 125,672.71

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Solution

The fourth proportional to 227,627.61, 314,143.50 and 125,672.71 is: 173,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,627.61 : 314,143.50 = 125,672.71 : x
  2. Step 2: Convert to fraction form
    227,627.61/314,143.50 = 125,672.71/x
  3. Step 3: Cross multiply
    227,627.61x = 314,143.50 × 125,672.71
  4. Step 4: Simplify right side
    227,627.61x = 39,479,264,345.52
  5. Step 5: Solve for x
    x = 39,479,264,345.52/227,627.61
  6. Step 6: Final answer
    x = 173,437.94

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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.