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Finding the Fourth Proportional to 64,199,813.80, 88,595,734.98 and 36,698,330.92

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Solution

The fourth proportional to 64,199,813.80, 88,595,734.98 and 36,698,330.92 is: 50,643,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,199,813.80 : 88,595,734.98 = 36,698,330.92 : x
  2. Step 2: Convert to fraction form
    64,199,813.80/88,595,734.98 = 36,698,330.92/x
  3. Step 3: Cross multiply
    64,199,813.80x = 88,595,734.98 × 36,698,330.92
  4. Step 4: Simplify right side
    64,199,813.80x = 3,251,315,600,396,660
  5. Step 5: Solve for x
    x = 3,251,315,600,396,660/64,199,813.80
  6. Step 6: Final answer
    x = 50,643,692.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.