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Finding the Fourth Proportional to 351,902.01, 527,741.53 and 127,232.71

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Solution

The fourth proportional to 351,902.01, 527,741.53 and 127,232.71 is: 190,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,902.01 : 527,741.53 = 127,232.71 : x
  2. Step 2: Convert to fraction form
    351,902.01/527,741.53 = 127,232.71/x
  3. Step 3: Cross multiply
    351,902.01x = 527,741.53 × 127,232.71
  4. Step 4: Simplify right side
    351,902.01x = 67,145,985,041.45
  5. Step 5: Solve for x
    x = 67,145,985,041.45/351,902.01
  6. Step 6: Final answer
    x = 190,808.76

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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.