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Finding the Fourth Proportional to 483,725.52, 725,641.20 and 164,108.16

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Solution

The fourth proportional to 483,725.52, 725,641.20 and 164,108.16 is: 246,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,725.52 : 725,641.20 = 164,108.16 : x
  2. Step 2: Convert to fraction form
    483,725.52/725,641.20 = 164,108.16/x
  3. Step 3: Cross multiply
    483,725.52x = 725,641.20 × 164,108.16
  4. Step 4: Simplify right side
    483,725.52x = 119,083,642,152.19
  5. Step 5: Solve for x
    x = 119,083,642,152.19/483,725.52
  6. Step 6: Final answer
    x = 246,180.19

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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.