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Finding the Fourth Proportional to 93,755.76, 140,555.88 and 34,580.40

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Solution

The fourth proportional to 93,755.76, 140,555.88 and 34,580.40 is: 51,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,755.76 : 140,555.88 = 34,580.40 : x
  2. Step 2: Convert to fraction form
    93,755.76/140,555.88 = 34,580.40/x
  3. Step 3: Cross multiply
    93,755.76x = 140,555.88 × 34,580.40
  4. Step 4: Simplify right side
    93,755.76x = 4,860,478,552.75
  5. Step 5: Solve for x
    x = 4,860,478,552.75/93,755.76
  6. Step 6: Final answer
    x = 51,841.92

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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.