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Finding the Fourth Proportional to 292,765.75, 404,017.02 and 158,629.75

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Solution

The fourth proportional to 292,765.75, 404,017.02 and 158,629.75 is: 218,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,765.75 : 404,017.02 = 158,629.75 : x
  2. Step 2: Convert to fraction form
    292,765.75/404,017.02 = 158,629.75/x
  3. Step 3: Cross multiply
    292,765.75x = 404,017.02 × 158,629.75
  4. Step 4: Simplify right side
    292,765.75x = 64,089,118,878.35
  5. Step 5: Solve for x
    x = 64,089,118,878.35/292,765.75
  6. Step 6: Final answer
    x = 218,909.21

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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.