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Finding the Fourth Proportional to 357,297.93, 536,157.09 and 132,816.15

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Solution

The fourth proportional to 357,297.93, 536,157.09 and 132,816.15 is: 199,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,297.93 : 536,157.09 = 132,816.15 : x
  2. Step 2: Convert to fraction form
    357,297.93/536,157.09 = 132,816.15/x
  3. Step 3: Cross multiply
    357,297.93x = 536,157.09 × 132,816.15
  4. Step 4: Simplify right side
    357,297.93x = 71,210,320,489.00
  5. Step 5: Solve for x
    x = 71,210,320,489.00/357,297.93
  6. Step 6: Final answer
    x = 199,302.36

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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.