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Finding the Fourth Proportional to 351,561.83, 527,373.89 and 98,844.51

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Solution

The fourth proportional to 351,561.83, 527,373.89 and 98,844.51 is: 148,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,561.83 : 527,373.89 = 98,844.51 : x
  2. Step 2: Convert to fraction form
    351,561.83/527,373.89 = 98,844.51/x
  3. Step 3: Cross multiply
    351,561.83x = 527,373.89 × 98,844.51
  4. Step 4: Simplify right side
    351,561.83x = 52,128,013,249.62
  5. Step 5: Solve for x
    x = 52,128,013,249.62/351,561.83
  6. Step 6: Final answer
    x = 148,275.52

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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.