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Finding the Fourth Proportional to 239,174.98, 358,098.09 and 120,486.46

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Solution

The fourth proportional to 239,174.98, 358,098.09 and 120,486.46 is: 180,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,174.98 : 358,098.09 = 120,486.46 : x
  2. Step 2: Convert to fraction form
    239,174.98/358,098.09 = 120,486.46/x
  3. Step 3: Cross multiply
    239,174.98x = 358,098.09 × 120,486.46
  4. Step 4: Simplify right side
    239,174.98x = 43,145,971,196.86
  5. Step 5: Solve for x
    x = 43,145,971,196.86/239,174.98
  6. Step 6: Final answer
    x = 180,395.00

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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.