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Finding the Fourth Proportional to 58,734,643.28, 88,103,703 and 28,032,458

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Solution

The fourth proportional to 58,734,643.28, 88,103,703 and 28,032,458 is: 42,049,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,734,643.28 : 88,103,703 = 28,032,458 : x
  2. Step 2: Convert to fraction form
    58,734,643.28/88,103,703 = 28,032,458/x
  3. Step 3: Cross multiply
    58,734,643.28x = 88,103,703 × 28,032,458
  4. Step 4: Simplify right side
    58,734,643.28x = 2,469,763,353,991,974
  5. Step 5: Solve for x
    x = 2,469,763,353,991,974/58,734,643.28
  6. Step 6: Final answer
    x = 42,049,516.54

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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.