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Finding the Fourth Proportional to 357,404.19, 535,948.83 and 167,918.42

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Solution

The fourth proportional to 357,404.19, 535,948.83 and 167,918.42 is: 251,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,404.19 : 535,948.83 = 167,918.42 : x
  2. Step 2: Convert to fraction form
    357,404.19/535,948.83 = 167,918.42/x
  3. Step 3: Cross multiply
    357,404.19x = 535,948.83 × 167,918.42
  4. Step 4: Simplify right side
    357,404.19x = 89,995,678,054.70
  5. Step 5: Solve for x
    x = 89,995,678,054.70/357,404.19
  6. Step 6: Final answer
    x = 251,803.65

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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.