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Finding the Fourth Proportional to 357,475.95, 536,213.52 and 91,236.51

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Solution

The fourth proportional to 357,475.95, 536,213.52 and 91,236.51 is: 136,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,475.95 : 536,213.52 = 91,236.51 : x
  2. Step 2: Convert to fraction form
    357,475.95/536,213.52 = 91,236.51/x
  3. Step 3: Cross multiply
    357,475.95x = 536,213.52 × 91,236.51
  4. Step 4: Simplify right side
    357,475.95x = 48,922,250,179.62
  5. Step 5: Solve for x
    x = 48,922,250,179.62/357,475.95
  6. Step 6: Final answer
    x = 136,854.66

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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.