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Finding the Fourth Proportional to 357,213.58, 535,820.36 and 107,895.58

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Solution

The fourth proportional to 357,213.58, 535,820.36 and 107,895.58 is: 161,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,213.58 : 535,820.36 = 107,895.58 : x
  2. Step 2: Convert to fraction form
    357,213.58/535,820.36 = 107,895.58/x
  3. Step 3: Cross multiply
    357,213.58x = 535,820.36 × 107,895.58
  4. Step 4: Simplify right side
    357,213.58x = 57,812,648,518.01
  5. Step 5: Solve for x
    x = 57,812,648,518.01/357,213.58
  6. Step 6: Final answer
    x = 161,843.37

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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.