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Finding the Fourth Proportional to 93,955.85, 140,912.20 and 56,015.85

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Solution

The fourth proportional to 93,955.85, 140,912.20 and 56,015.85 is: 84,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,955.85 : 140,912.20 = 56,015.85 : x
  2. Step 2: Convert to fraction form
    93,955.85/140,912.20 = 56,015.85/x
  3. Step 3: Cross multiply
    93,955.85x = 140,912.20 × 56,015.85
  4. Step 4: Simplify right side
    93,955.85x = 7,893,316,378.29
  5. Step 5: Solve for x
    x = 7,893,316,378.29/93,955.85
  6. Step 6: Final answer
    x = 84,010.91

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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.