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Finding the Fourth Proportional to 357,126.44, 535,674.30 and 107,801

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Solution

The fourth proportional to 357,126.44, 535,674.30 and 107,801 is: 161,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,126.44 : 535,674.30 = 107,801 : x
  2. Step 2: Convert to fraction form
    357,126.44/535,674.30 = 107,801/x
  3. Step 3: Cross multiply
    357,126.44x = 535,674.30 × 107,801
  4. Step 4: Simplify right side
    357,126.44x = 57,746,225,214.30
  5. Step 5: Solve for x
    x = 57,746,225,214.30/357,126.44
  6. Step 6: Final answer
    x = 161,696.86

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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.