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Finding the Fourth Proportional to 357,468.35, 536,202.27 and 91,228.95

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Solution

The fourth proportional to 357,468.35, 536,202.27 and 91,228.95 is: 136,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,468.35 : 536,202.27 = 91,228.95 : x
  2. Step 2: Convert to fraction form
    357,468.35/536,202.27 = 91,228.95/x
  3. Step 3: Cross multiply
    357,468.35x = 536,202.27 × 91,228.95
  4. Step 4: Simplify right side
    357,468.35x = 48,917,170,079.72
  5. Step 5: Solve for x
    x = 48,917,170,079.72/357,468.35
  6. Step 6: Final answer
    x = 136,843.36

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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.