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Finding the Fourth Proportional to 228,172.56, 342,259.41 and 93,236.62

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Solution

The fourth proportional to 228,172.56, 342,259.41 and 93,236.62 is: 139,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,172.56 : 342,259.41 = 93,236.62 : x
  2. Step 2: Convert to fraction form
    228,172.56/342,259.41 = 93,236.62/x
  3. Step 3: Cross multiply
    228,172.56x = 342,259.41 × 93,236.62
  4. Step 4: Simplify right side
    228,172.56x = 31,911,110,551.59
  5. Step 5: Solve for x
    x = 31,911,110,551.59/228,172.56
  6. Step 6: Final answer
    x = 139,855.16

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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.