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Finding the Fourth Proportional to 357,841.64, 536,762.11 and 91,601.73

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Solution

The fourth proportional to 357,841.64, 536,762.11 and 91,601.73 is: 137,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,841.64 : 536,762.11 = 91,601.73 : x
  2. Step 2: Convert to fraction form
    357,841.64/536,762.11 = 91,601.73/x
  3. Step 3: Cross multiply
    357,841.64x = 536,762.11 × 91,601.73
  4. Step 4: Simplify right side
    357,841.64x = 49,168,337,874.45
  5. Step 5: Solve for x
    x = 49,168,337,874.45/357,841.64
  6. Step 6: Final answer
    x = 137,402.51

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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.