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Finding the Fourth Proportional to 315,057.64, 472,612.06 and 93,441

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Solution

The fourth proportional to 315,057.64, 472,612.06 and 93,441 is: 140,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,057.64 : 472,612.06 = 93,441 : x
  2. Step 2: Convert to fraction form
    315,057.64/472,612.06 = 93,441/x
  3. Step 3: Cross multiply
    315,057.64x = 472,612.06 × 93,441
  4. Step 4: Simplify right side
    315,057.64x = 44,161,343,498.46
  5. Step 5: Solve for x
    x = 44,161,343,498.46/315,057.64
  6. Step 6: Final answer
    x = 140,169.09

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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.