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Finding the Fourth Proportional to 308,648.08, 463,016.47 and 95,432.60

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Solution

The fourth proportional to 308,648.08, 463,016.47 and 95,432.60 is: 143,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,648.08 : 463,016.47 = 95,432.60 : x
  2. Step 2: Convert to fraction form
    308,648.08/463,016.47 = 95,432.60/x
  3. Step 3: Cross multiply
    308,648.08x = 463,016.47 × 95,432.60
  4. Step 4: Simplify right side
    308,648.08x = 44,186,865,574.92
  5. Step 5: Solve for x
    x = 44,186,865,574.92/308,648.08
  6. Step 6: Final answer
    x = 143,162.61

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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.