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Finding the Fourth Proportional to 292,878.93, 404,167.57 and 165,554.52

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Solution

The fourth proportional to 292,878.93, 404,167.57 and 165,554.52 is: 228,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,878.93 : 404,167.57 = 165,554.52 : x
  2. Step 2: Convert to fraction form
    292,878.93/404,167.57 = 165,554.52/x
  3. Step 3: Cross multiply
    292,878.93x = 404,167.57 × 165,554.52
  4. Step 4: Simplify right side
    292,878.93x = 66,911,768,050.92
  5. Step 5: Solve for x
    x = 66,911,768,050.92/292,878.93
  6. Step 6: Final answer
    x = 228,462.21

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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.