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Finding the Fourth Proportional to 155,671.01, 214,826.59 and 94,396.74

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Solution

The fourth proportional to 155,671.01, 214,826.59 and 94,396.74 is: 130,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,671.01 : 214,826.59 = 94,396.74 : x
  2. Step 2: Convert to fraction form
    155,671.01/214,826.59 = 94,396.74/x
  3. Step 3: Cross multiply
    155,671.01x = 214,826.59 × 94,396.74
  4. Step 4: Simplify right side
    155,671.01x = 20,278,929,761.32
  5. Step 5: Solve for x
    x = 20,278,929,761.32/155,671.01
  6. Step 6: Final answer
    x = 130,267.86

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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.