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Finding the Fourth Proportional to 237,653.62, 328,005.05 and 151,639.31

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Solution

The fourth proportional to 237,653.62, 328,005.05 and 151,639.31 is: 209,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,653.62 : 328,005.05 = 151,639.31 : x
  2. Step 2: Convert to fraction form
    237,653.62/328,005.05 = 151,639.31/x
  3. Step 3: Cross multiply
    237,653.62x = 328,005.05 × 151,639.31
  4. Step 4: Simplify right side
    237,653.62x = 49,738,459,520.33
  5. Step 5: Solve for x
    x = 49,738,459,520.33/237,653.62
  6. Step 6: Final answer
    x = 209,289.72

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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.