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Finding the Fourth Proportional to 347,777.01, 521,569.12 and 123,107.87

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Solution

The fourth proportional to 347,777.01, 521,569.12 and 123,107.87 is: 184,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,777.01 : 521,569.12 = 123,107.87 : x
  2. Step 2: Convert to fraction form
    347,777.01/521,569.12 = 123,107.87/x
  3. Step 3: Cross multiply
    347,777.01x = 521,569.12 × 123,107.87
  4. Step 4: Simplify right side
    347,777.01x = 64,209,263,420.97
  5. Step 5: Solve for x
    x = 64,209,263,420.97/347,777.01
  6. Step 6: Final answer
    x = 184,627.68

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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.