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Finding the Fourth Proportional to 228,805.48, 343,210.25 and 93,943.72

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Solution

The fourth proportional to 228,805.48, 343,210.25 and 93,943.72 is: 140,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,805.48 : 343,210.25 = 93,943.72 : x
  2. Step 2: Convert to fraction form
    228,805.48/343,210.25 = 93,943.72/x
  3. Step 3: Cross multiply
    228,805.48x = 343,210.25 × 93,943.72
  4. Step 4: Simplify right side
    228,805.48x = 32,242,447,157.41
  5. Step 5: Solve for x
    x = 32,242,447,157.41/228,805.48
  6. Step 6: Final answer
    x = 140,916.41

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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.