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Finding the Fourth Proportional to 357,402.44, 535,946.20 and 167,916.66

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Solution

The fourth proportional to 357,402.44, 535,946.20 and 167,916.66 is: 251,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,402.44 : 535,946.20 = 167,916.66 : x
  2. Step 2: Convert to fraction form
    357,402.44/535,946.20 = 167,916.66/x
  3. Step 3: Cross multiply
    357,402.44x = 535,946.20 × 167,916.66
  4. Step 4: Simplify right side
    357,402.44x = 89,994,295,843.69
  5. Step 5: Solve for x
    x = 89,994,295,843.69/357,402.44
  6. Step 6: Final answer
    x = 251,801.01

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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.