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Finding the Fourth Proportional to 357,832.90, 536,737.05 and 91,595.72

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Solution

The fourth proportional to 357,832.90, 536,737.05 and 91,595.72 is: 137,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,832.90 : 536,737.05 = 91,595.72 : x
  2. Step 2: Convert to fraction form
    357,832.90/536,737.05 = 91,595.72/x
  3. Step 3: Cross multiply
    357,832.90x = 536,737.05 × 91,595.72
  4. Step 4: Simplify right side
    357,832.90x = 49,162,817,887.27
  5. Step 5: Solve for x
    x = 49,162,817,887.27/357,832.90
  6. Step 6: Final answer
    x = 137,390.43

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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.