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Finding the Fourth Proportional to 357,195.42, 535,734.81 and 104,415.89

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Solution

The fourth proportional to 357,195.42, 535,734.81 and 104,415.89 is: 156,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,195.42 : 535,734.81 = 104,415.89 : x
  2. Step 2: Convert to fraction form
    357,195.42/535,734.81 = 104,415.89/x
  3. Step 3: Cross multiply
    357,195.42x = 535,734.81 × 104,415.89
  4. Step 4: Simplify right side
    357,195.42x = 55,939,224,311.46
  5. Step 5: Solve for x
    x = 55,939,224,311.46/357,195.42
  6. Step 6: Final answer
    x = 156,606.78

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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.