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Finding the Fourth Proportional to 292,759.32, 403,985.34 and 178,022.22

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Solution

The fourth proportional to 292,759.32, 403,985.34 and 178,022.22 is: 245,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,759.32 : 403,985.34 = 178,022.22 : x
  2. Step 2: Convert to fraction form
    292,759.32/403,985.34 = 178,022.22/x
  3. Step 3: Cross multiply
    292,759.32x = 403,985.34 × 178,022.22
  4. Step 4: Simplify right side
    292,759.32x = 71,918,367,074.25
  5. Step 5: Solve for x
    x = 71,918,367,074.25/292,759.32
  6. Step 6: Final answer
    x = 245,656.97

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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.