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Finding the Fourth Proportional to 292,028.74, 402,995.61 and 164,745.22

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Solution

The fourth proportional to 292,028.74, 402,995.61 and 164,745.22 is: 227,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,028.74 : 402,995.61 = 164,745.22 : x
  2. Step 2: Convert to fraction form
    292,028.74/402,995.61 = 164,745.22/x
  3. Step 3: Cross multiply
    292,028.74x = 402,995.61 × 164,745.22
  4. Step 4: Simplify right side
    292,028.74x = 66,391,600,428.48
  5. Step 5: Solve for x
    x = 66,391,600,428.48/292,028.74
  6. Step 6: Final answer
    x = 227,346.12

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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.