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Finding the Fourth Proportional to 239,494.46, 330,499.94 and 130,598.53

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Solution

The fourth proportional to 239,494.46, 330,499.94 and 130,598.53 is: 180,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,494.46 : 330,499.94 = 130,598.53 : x
  2. Step 2: Convert to fraction form
    239,494.46/330,499.94 = 130,598.53/x
  3. Step 3: Cross multiply
    239,494.46x = 330,499.94 × 130,598.53
  4. Step 4: Simplify right side
    239,494.46x = 43,162,804,849.85
  5. Step 5: Solve for x
    x = 43,162,804,849.85/239,494.46
  6. Step 6: Final answer
    x = 180,224.65

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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.