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Finding the Fourth Proportional to 295,807.08, 443,710.08 and 71,167.32

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Solution

The fourth proportional to 295,807.08, 443,710.08 and 71,167.32 is: 106,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,807.08 : 443,710.08 = 71,167.32 : x
  2. Step 2: Convert to fraction form
    295,807.08/443,710.08 = 71,167.32/x
  3. Step 3: Cross multiply
    295,807.08x = 443,710.08 × 71,167.32
  4. Step 4: Simplify right side
    295,807.08x = 31,577,657,250.59
  5. Step 5: Solve for x
    x = 31,577,657,250.59/295,807.08
  6. Step 6: Final answer
    x = 106,750.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.