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Finding the Fourth Proportional to 104,291.21, 156,344.03 and 37,716.53

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Solution

The fourth proportional to 104,291.21, 156,344.03 and 37,716.53 is: 56,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,291.21 : 156,344.03 = 37,716.53 : x
  2. Step 2: Convert to fraction form
    104,291.21/156,344.03 = 37,716.53/x
  3. Step 3: Cross multiply
    104,291.21x = 156,344.03 × 37,716.53
  4. Step 4: Simplify right side
    104,291.21x = 5,896,754,641.53
  5. Step 5: Solve for x
    x = 5,896,754,641.53/104,291.21
  6. Step 6: Final answer
    x = 56,541.25

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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.