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Finding the Fourth Proportional to 357,176.62, 535,392.33 and 120,437.92

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Solution

The fourth proportional to 357,176.62, 535,392.33 and 120,437.92 is: 180,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,176.62 : 535,392.33 = 120,437.92 : x
  2. Step 2: Convert to fraction form
    357,176.62/535,392.33 = 120,437.92/x
  3. Step 3: Cross multiply
    357,176.62x = 535,392.33 × 120,437.92
  4. Step 4: Simplify right side
    357,176.62x = 64,481,538,609.15
  5. Step 5: Solve for x
    x = 64,481,538,609.15/357,176.62
  6. Step 6: Final answer
    x = 180,531.24

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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.