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Finding the Fourth Proportional to 89,609,093.10, 134,413,639.65 and 89,609,093.10

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Solution

The fourth proportional to 89,609,093.10, 134,413,639.65 and 89,609,093.10 is: 134,413,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,609,093.10 : 134,413,639.65 = 89,609,093.10 : x
  2. Step 2: Convert to fraction form
    89,609,093.10/134,413,639.65 = 89,609,093.10/x
  3. Step 3: Cross multiply
    89,609,093.10x = 134,413,639.65 × 89,609,093.10
  4. Step 4: Simplify right side
    89,609,093.10x = 12,044,684,349,306,702
  5. Step 5: Solve for x
    x = 12,044,684,349,306,702/89,609,093.10
  6. Step 6: Final answer
    x = 134,413,639.65

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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.