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Finding the Fourth Proportional to 357,333.96, 535,993.38 and 91,094.52

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Solution

The fourth proportional to 357,333.96, 535,993.38 and 91,094.52 is: 136,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,333.96 : 535,993.38 = 91,094.52 : x
  2. Step 2: Convert to fraction form
    357,333.96/535,993.38 = 91,094.52/x
  3. Step 3: Cross multiply
    357,333.96x = 535,993.38 × 91,094.52
  4. Step 4: Simplify right side
    357,333.96x = 48,826,059,674.28
  5. Step 5: Solve for x
    x = 48,826,059,674.28/357,333.96
  6. Step 6: Final answer
    x = 136,639.85

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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.