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Finding the Fourth Proportional to 359,181.08, 538,720.32 and 134,510.84

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Solution

The fourth proportional to 359,181.08, 538,720.32 and 134,510.84 is: 201,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,181.08 : 538,720.32 = 134,510.84 : x
  2. Step 2: Convert to fraction form
    359,181.08/538,720.32 = 134,510.84/x
  3. Step 3: Cross multiply
    359,181.08x = 538,720.32 × 134,510.84
  4. Step 4: Simplify right side
    359,181.08x = 72,463,722,768.27
  5. Step 5: Solve for x
    x = 72,463,722,768.27/359,181.08
  6. Step 6: Final answer
    x = 201,747.05

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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.