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Finding the Fourth Proportional to 291,661.03, 437,425.81 and 104,672.53

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Solution

The fourth proportional to 291,661.03, 437,425.81 and 104,672.53 is: 156,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,661.03 : 437,425.81 = 104,672.53 : x
  2. Step 2: Convert to fraction form
    291,661.03/437,425.81 = 104,672.53/x
  3. Step 3: Cross multiply
    291,661.03x = 437,425.81 × 104,672.53
  4. Step 4: Simplify right side
    291,661.03x = 45,786,466,220.00
  5. Step 5: Solve for x
    x = 45,786,466,220.00/291,661.03
  6. Step 6: Final answer
    x = 156,985.20

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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.