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Finding the Fourth Proportional to 351,604.88, 527,365.42 and 91,925.36

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Solution

The fourth proportional to 351,604.88, 527,365.42 and 91,925.36 is: 137,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,604.88 : 527,365.42 = 91,925.36 : x
  2. Step 2: Convert to fraction form
    351,604.88/527,365.42 = 91,925.36/x
  3. Step 3: Cross multiply
    351,604.88x = 527,365.42 × 91,925.36
  4. Step 4: Simplify right side
    351,604.88x = 48,478,256,085.05
  5. Step 5: Solve for x
    x = 48,478,256,085.05/351,604.88
  6. Step 6: Final answer
    x = 137,877.09

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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.