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Finding the Fourth Proportional to 89,910,367.60, 134,865,551.40 and 89,910,367.60

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Solution

The fourth proportional to 89,910,367.60, 134,865,551.40 and 89,910,367.60 is: 134,865,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,910,367.60 : 134,865,551.40 = 89,910,367.60 : x
  2. Step 2: Convert to fraction form
    89,910,367.60/134,865,551.40 = 89,910,367.60/x
  3. Step 3: Cross multiply
    89,910,367.60x = 134,865,551.40 × 89,910,367.60
  4. Step 4: Simplify right side
    89,910,367.60x = 12,125,811,302,950,694
  5. Step 5: Solve for x
    x = 12,125,811,302,950,694/89,910,367.60
  6. Step 6: Final answer
    x = 134,865,551.40

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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.