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Finding the Fourth Proportional to 373,159.98, 559,795.59 and 120,357.36

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Solution

The fourth proportional to 373,159.98, 559,795.59 and 120,357.36 is: 180,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,159.98 : 559,795.59 = 120,357.36 : x
  2. Step 2: Convert to fraction form
    373,159.98/559,795.59 = 120,357.36/x
  3. Step 3: Cross multiply
    373,159.98x = 559,795.59 × 120,357.36
  4. Step 4: Simplify right side
    373,159.98x = 67,375,519,352.04
  5. Step 5: Solve for x
    x = 67,375,519,352.04/373,159.98
  6. Step 6: Final answer
    x = 180,553.98

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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.