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Finding the Fourth Proportional to 365,291.91, 547,936.50 and 99,051.69

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Solution

The fourth proportional to 365,291.91, 547,936.50 and 99,051.69 is: 148,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,291.91 : 547,936.50 = 99,051.69 : x
  2. Step 2: Convert to fraction form
    365,291.91/547,936.50 = 99,051.69/x
  3. Step 3: Cross multiply
    365,291.91x = 547,936.50 × 99,051.69
  4. Step 4: Simplify right side
    365,291.91x = 54,274,036,337.69
  5. Step 5: Solve for x
    x = 54,274,036,337.69/365,291.91
  6. Step 6: Final answer
    x = 148,577.16

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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.