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Finding the Fourth Proportional to 236,147.53, 354,011.57 and 92,019.98

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Solution

The fourth proportional to 236,147.53, 354,011.57 and 92,019.98 is: 137,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,147.53 : 354,011.57 = 92,019.98 : x
  2. Step 2: Convert to fraction form
    236,147.53/354,011.57 = 92,019.98/x
  3. Step 3: Cross multiply
    236,147.53x = 354,011.57 × 92,019.98
  4. Step 4: Simplify right side
    236,147.53x = 32,576,137,259.09
  5. Step 5: Solve for x
    x = 32,576,137,259.09/236,147.53
  6. Step 6: Final answer
    x = 137,948.25

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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.