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Finding the Fourth Proportional to 291,927.66, 402,874.20 and 164,600.52

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Solution

The fourth proportional to 291,927.66, 402,874.20 and 164,600.52 is: 227,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,927.66 : 402,874.20 = 164,600.52 : x
  2. Step 2: Convert to fraction form
    291,927.66/402,874.20 = 164,600.52/x
  3. Step 3: Cross multiply
    291,927.66x = 402,874.20 × 164,600.52
  4. Step 4: Simplify right side
    291,927.66x = 66,313,302,814.58
  5. Step 5: Solve for x
    x = 66,313,302,814.58/291,927.66
  6. Step 6: Final answer
    x = 227,156.63

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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.