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Finding the Fourth Proportional to 227,390.61, 341,322.47 and 167,486.71

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Solution

The fourth proportional to 227,390.61, 341,322.47 and 167,486.71 is: 251,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,390.61 : 341,322.47 = 167,486.71 : x
  2. Step 2: Convert to fraction form
    227,390.61/341,322.47 = 167,486.71/x
  3. Step 3: Cross multiply
    227,390.61x = 341,322.47 × 167,486.71
  4. Step 4: Simplify right side
    227,390.61x = 57,166,977,549.37
  5. Step 5: Solve for x
    x = 57,166,977,549.37/227,390.61
  6. Step 6: Final answer
    x = 251,404.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.