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Finding the Fourth Proportional to 295,693.64, 443,773.82 and 137,840.84

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Solution

The fourth proportional to 295,693.64, 443,773.82 and 137,840.84 is: 206,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,693.64 : 443,773.82 = 137,840.84 : x
  2. Step 2: Convert to fraction form
    295,693.64/443,773.82 = 137,840.84/x
  3. Step 3: Cross multiply
    295,693.64x = 443,773.82 × 137,840.84
  4. Step 4: Simplify right side
    295,693.64x = 61,170,156,118.81
  5. Step 5: Solve for x
    x = 61,170,156,118.81/295,693.64
  6. Step 6: Final answer
    x = 206,870.04

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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.