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Finding the Fourth Proportional to 239,562.72, 359,421.84 and 114,913.44

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Solution

The fourth proportional to 239,562.72, 359,421.84 and 114,913.44 is: 172,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,562.72 : 359,421.84 = 114,913.44 : x
  2. Step 2: Convert to fraction form
    239,562.72/359,421.84 = 114,913.44/x
  3. Step 3: Cross multiply
    239,562.72x = 359,421.84 × 114,913.44
  4. Step 4: Simplify right side
    239,562.72x = 41,302,400,045.53
  5. Step 5: Solve for x
    x = 41,302,400,045.53/239,562.72
  6. Step 6: Final answer
    x = 172,407.46

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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.