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Finding the Fourth Proportional to 357,832.95, 536,749.08 and 91,593.04

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Solution

The fourth proportional to 357,832.95, 536,749.08 and 91,593.04 is: 137,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,832.95 : 536,749.08 = 91,593.04 : x
  2. Step 2: Convert to fraction form
    357,832.95/536,749.08 = 91,593.04/x
  3. Step 3: Cross multiply
    357,832.95x = 536,749.08 × 91,593.04
  4. Step 4: Simplify right side
    357,832.95x = 49,162,478,612.53
  5. Step 5: Solve for x
    x = 49,162,478,612.53/357,832.95
  6. Step 6: Final answer
    x = 137,389.47

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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.