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Finding the Fourth Proportional to 289,737,581.76, 434,649,581.76 and 95,669,496

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Solution

The fourth proportional to 289,737,581.76, 434,649,581.76 and 95,669,496 is: 143,518,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,737,581.76 : 434,649,581.76 = 95,669,496 : x
  2. Step 2: Convert to fraction form
    289,737,581.76/434,649,581.76 = 95,669,496/x
  3. Step 3: Cross multiply
    289,737,581.76x = 434,649,581.76 × 95,669,496
  4. Step 4: Simplify right side
    289,737,581.76x = 41,582,706,423,589,992
  5. Step 5: Solve for x
    x = 41,582,706,423,589,992/289,737,581.76
  6. Step 6: Final answer
    x = 143,518,511.38

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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.