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Finding the Fourth Proportional to 60,091,728.30, 90,137,592.45 and 59,453,999.10

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Solution

The fourth proportional to 60,091,728.30, 90,137,592.45 and 59,453,999.10 is: 89,180,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,091,728.30 : 90,137,592.45 = 59,453,999.10 : x
  2. Step 2: Convert to fraction form
    60,091,728.30/90,137,592.45 = 59,453,999.10/x
  3. Step 3: Cross multiply
    60,091,728.30x = 90,137,592.45 × 59,453,999.10
  4. Step 4: Simplify right side
    60,091,728.30x = 5,359,040,340,398,467
  5. Step 5: Solve for x
    x = 5,359,040,340,398,467/60,091,728.30
  6. Step 6: Final answer
    x = 89,180,998.65

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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.