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Finding the Fourth Proportional to 104,865.30, 157,297.95 and 104,865.30

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Solution

The fourth proportional to 104,865.30, 157,297.95 and 104,865.30 is: 157,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.30 : 157,297.95 = 104,865.30 : x
  2. Step 2: Convert to fraction form
    104,865.30/157,297.95 = 104,865.30/x
  3. Step 3: Cross multiply
    104,865.30x = 157,297.95 × 104,865.30
  4. Step 4: Simplify right side
    104,865.30x = 16,495,096,716.14
  5. Step 5: Solve for x
    x = 16,495,096,716.14/104,865.30
  6. Step 6: Final answer
    x = 157,297.95

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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.