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Finding the Fourth Proportional to 292,931.66, 404,240.34 and 165,607.29

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Solution

The fourth proportional to 292,931.66, 404,240.34 and 165,607.29 is: 228,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,931.66 : 404,240.34 = 165,607.29 : x
  2. Step 2: Convert to fraction form
    292,931.66/404,240.34 = 165,607.29/x
  3. Step 3: Cross multiply
    292,931.66x = 404,240.34 × 165,607.29
  4. Step 4: Simplify right side
    292,931.66x = 66,945,147,216.08
  5. Step 5: Solve for x
    x = 66,945,147,216.08/292,931.66
  6. Step 6: Final answer
    x = 228,535.04

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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.