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Finding the Fourth Proportional to 67,980,218.70, 101,970,328.05 and 58,733,145.30

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Solution

The fourth proportional to 67,980,218.70, 101,970,328.05 and 58,733,145.30 is: 88,099,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980,218.70 : 101,970,328.05 = 58,733,145.30 : x
  2. Step 2: Convert to fraction form
    67,980,218.70/101,970,328.05 = 58,733,145.30/x
  3. Step 3: Cross multiply
    67,980,218.70x = 101,970,328.05 × 58,733,145.30
  4. Step 4: Simplify right side
    67,980,218.70x = 5,989,038,093,649,315
  5. Step 5: Solve for x
    x = 5,989,038,093,649,315/67,980,218.70
  6. Step 6: Final answer
    x = 88,099,717.95

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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.