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Finding the Fourth Proportional to 104,153.67, 156,230.74 and 37,640.78

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Solution

The fourth proportional to 104,153.67, 156,230.74 and 37,640.78 is: 56,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.67 : 156,230.74 = 37,640.78 : x
  2. Step 2: Convert to fraction form
    104,153.67/156,230.74 = 37,640.78/x
  3. Step 3: Cross multiply
    104,153.67x = 156,230.74 × 37,640.78
  4. Step 4: Simplify right side
    104,153.67x = 5,880,646,913.58
  5. Step 5: Solve for x
    x = 5,880,646,913.58/104,153.67
  6. Step 6: Final answer
    x = 56,461.25

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1.5x scale

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.