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Finding the Fourth Proportional to 104,471.40, 156,476.70 and 62,845.80

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Solution

The fourth proportional to 104,471.40, 156,476.70 and 62,845.80 is: 94,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,471.40 : 156,476.70 = 62,845.80 : x
  2. Step 2: Convert to fraction form
    104,471.40/156,476.70 = 62,845.80/x
  3. Step 3: Cross multiply
    104,471.40x = 156,476.70 × 62,845.80
  4. Step 4: Simplify right side
    104,471.40x = 9,833,903,392.86
  5. Step 5: Solve for x
    x = 9,833,903,392.86/104,471.40
  6. Step 6: Final answer
    x = 94,130.10

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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.