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Finding the Fourth Proportional to 357,661.43, 536,492.34 and 132,992.67

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Solution

The fourth proportional to 357,661.43, 536,492.34 and 132,992.67 is: 199,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,661.43 : 536,492.34 = 132,992.67 : x
  2. Step 2: Convert to fraction form
    357,661.43/536,492.34 = 132,992.67/x
  3. Step 3: Cross multiply
    357,661.43x = 536,492.34 × 132,992.67
  4. Step 4: Simplify right side
    357,661.43x = 71,349,551,241.72
  5. Step 5: Solve for x
    x = 71,349,551,241.72/357,661.43
  6. Step 6: Final answer
    x = 199,489.08

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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.