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Finding the Fourth Proportional to 292,650.96, 403,858.76 and 158,514.64

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Solution

The fourth proportional to 292,650.96, 403,858.76 and 158,514.64 is: 218,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,650.96 : 403,858.76 = 158,514.64 : x
  2. Step 2: Convert to fraction form
    292,650.96/403,858.76 = 158,514.64/x
  3. Step 3: Cross multiply
    292,650.96x = 403,858.76 × 158,514.64
  4. Step 4: Simplify right side
    292,650.96x = 64,017,525,952.25
  5. Step 5: Solve for x
    x = 64,017,525,952.25/292,650.96
  6. Step 6: Final answer
    x = 218,750.44

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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.