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Finding the Fourth Proportional to 93,990.85, 140,858.33 and 51,807.70

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Solution

The fourth proportional to 93,990.85, 140,858.33 and 51,807.70 is: 77,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,990.85 : 140,858.33 = 51,807.70 : x
  2. Step 2: Convert to fraction form
    93,990.85/140,858.33 = 51,807.70/x
  3. Step 3: Cross multiply
    93,990.85x = 140,858.33 × 51,807.70
  4. Step 4: Simplify right side
    93,990.85x = 7,297,546,020.18
  5. Step 5: Solve for x
    x = 7,297,546,020.18/93,990.85
  6. Step 6: Final answer
    x = 77,641.03

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1.5x scale

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.