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Finding the Fourth Proportional to 155,671.52, 214,787.06 and 95,220.08

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Solution

The fourth proportional to 155,671.52, 214,787.06 and 95,220.08 is: 131,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,671.52 : 214,787.06 = 95,220.08 : x
  2. Step 2: Convert to fraction form
    155,671.52/214,787.06 = 95,220.08/x
  3. Step 3: Cross multiply
    155,671.52x = 214,787.06 × 95,220.08
  4. Step 4: Simplify right side
    155,671.52x = 20,452,041,036.16
  5. Step 5: Solve for x
    x = 20,452,041,036.16/155,671.52
  6. Step 6: Final answer
    x = 131,379.47

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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.