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Finding the Fourth Proportional to 357,074.91, 535,871.26 and 132,467.38

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Solution

The fourth proportional to 357,074.91, 535,871.26 and 132,467.38 is: 198,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,074.91 : 535,871.26 = 132,467.38 : x
  2. Step 2: Convert to fraction form
    357,074.91/535,871.26 = 132,467.38/x
  3. Step 3: Cross multiply
    357,074.91x = 535,871.26 × 132,467.38
  4. Step 4: Simplify right side
    357,074.91x = 70,985,461,829.50
  5. Step 5: Solve for x
    x = 70,985,461,829.50/357,074.91
  6. Step 6: Final answer
    x = 198,797.11

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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.