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Finding the Fourth Proportional to 154,477.99, 231,721.04 and 49,296.86

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Solution

The fourth proportional to 154,477.99, 231,721.04 and 49,296.86 is: 73,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,477.99 : 231,721.04 = 49,296.86 : x
  2. Step 2: Convert to fraction form
    154,477.99/231,721.04 = 49,296.86/x
  3. Step 3: Cross multiply
    154,477.99x = 231,721.04 × 49,296.86
  4. Step 4: Simplify right side
    154,477.99x = 11,423,119,667.93
  5. Step 5: Solve for x
    x = 11,423,119,667.93/154,477.99
  6. Step 6: Final answer
    x = 73,946.58

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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.