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Finding the Fourth Proportional to 89,062,213.15, 133,593,319.73 and 89,062,213.15

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Solution

The fourth proportional to 89,062,213.15, 133,593,319.73 and 89,062,213.15 is: 133,593,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,062,213.15 : 133,593,319.73 = 89,062,213.15 : x
  2. Step 2: Convert to fraction form
    89,062,213.15/133,593,319.73 = 89,062,213.15/x
  3. Step 3: Cross multiply
    89,062,213.15x = 133,593,319.73 × 89,062,213.15
  4. Step 4: Simplify right side
    89,062,213.15x = 11,898,116,717,209,362
  5. Step 5: Solve for x
    x = 11,898,116,717,209,362/89,062,213.15
  6. Step 6: Final answer
    x = 133,593,319.73

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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.