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Finding the Fourth Proportional to 299,248,659.72, 448,915,829.04 and 92,004,472.02

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Solution

The fourth proportional to 299,248,659.72, 448,915,829.04 and 92,004,472.02 is: 138,019,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,248,659.72 : 448,915,829.04 = 92,004,472.02 : x
  2. Step 2: Convert to fraction form
    299,248,659.72/448,915,829.04 = 92,004,472.02/x
  3. Step 3: Cross multiply
    299,248,659.72x = 448,915,829.04 × 92,004,472.02
  4. Step 4: Simplify right side
    299,248,659.72x = 41,302,263,832,245,784
  5. Step 5: Solve for x
    x = 41,302,263,832,245,784/299,248,659.72
  6. Step 6: Final answer
    x = 138,019,879.09

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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.