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Finding the Fourth Proportional to 239,170.60, 358,509.72 and 106,113.52

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Solution

The fourth proportional to 239,170.60, 358,509.72 and 106,113.52 is: 159,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,170.60 : 358,509.72 = 106,113.52 : x
  2. Step 2: Convert to fraction form
    239,170.60/358,509.72 = 106,113.52/x
  3. Step 3: Cross multiply
    239,170.60x = 358,509.72 × 106,113.52
  4. Step 4: Simplify right side
    239,170.60x = 38,042,728,343.41
  5. Step 5: Solve for x
    x = 38,042,728,343.41/239,170.60
  6. Step 6: Final answer
    x = 159,061.06

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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.