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Finding the Fourth Proportional to 293,307.64, 404,764.55 and 159,171.64

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Solution

The fourth proportional to 293,307.64, 404,764.55 and 159,171.64 is: 219,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,307.64 : 404,764.55 = 159,171.64 : x
  2. Step 2: Convert to fraction form
    293,307.64/404,764.55 = 159,171.64/x
  3. Step 3: Cross multiply
    293,307.64x = 404,764.55 × 159,171.64
  4. Step 4: Simplify right side
    293,307.64x = 64,427,038,984.40
  5. Step 5: Solve for x
    x = 64,427,038,984.40/293,307.64
  6. Step 6: Final answer
    x = 219,656.87

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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.