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Finding the Fourth Proportional to 93,314.67, 128,770.50 and 50,872.29

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Solution

The fourth proportional to 93,314.67, 128,770.50 and 50,872.29 is: 70,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,314.67 : 128,770.50 = 50,872.29 : x
  2. Step 2: Convert to fraction form
    93,314.67/128,770.50 = 50,872.29/x
  3. Step 3: Cross multiply
    93,314.67x = 128,770.50 × 50,872.29
  4. Step 4: Simplify right side
    93,314.67x = 6,550,850,219.45
  5. Step 5: Solve for x
    x = 6,550,850,219.45/93,314.67
  6. Step 6: Final answer
    x = 70,201.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.