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Finding the Fourth Proportional to 93,338.40, 140,052.65 and 45,927.78

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Solution

The fourth proportional to 93,338.40, 140,052.65 and 45,927.78 is: 68,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,338.40 : 140,052.65 = 45,927.78 : x
  2. Step 2: Convert to fraction form
    93,338.40/140,052.65 = 45,927.78/x
  3. Step 3: Cross multiply
    93,338.40x = 140,052.65 × 45,927.78
  4. Step 4: Simplify right side
    93,338.40x = 6,432,307,297.62
  5. Step 5: Solve for x
    x = 6,432,307,297.62/93,338.40
  6. Step 6: Final answer
    x = 68,913.84

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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.