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Finding the Fourth Proportional to 156,690,297.60, 219,593,164.80 and 156,690,297.60

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Solution

The fourth proportional to 156,690,297.60, 219,593,164.80 and 156,690,297.60 is: 219,593,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690,297.60 : 219,593,164.80 = 156,690,297.60 : x
  2. Step 2: Convert to fraction form
    156,690,297.60/219,593,164.80 = 156,690,297.60/x
  3. Step 3: Cross multiply
    156,690,297.60x = 219,593,164.80 × 156,690,297.60
  4. Step 4: Simplify right side
    156,690,297.60x = 34,408,118,343,437,844
  5. Step 5: Solve for x
    x = 34,408,118,343,437,844/156,690,297.60
  6. Step 6: Final answer
    x = 219,593,164.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.