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Finding the Fourth Proportional to 68,114.96, 93,933.96 and 45,103.76

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Solution

The fourth proportional to 68,114.96, 93,933.96 and 45,103.76 is: 62,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,114.96 : 93,933.96 = 45,103.76 : x
  2. Step 2: Convert to fraction form
    68,114.96/93,933.96 = 45,103.76/x
  3. Step 3: Cross multiply
    68,114.96x = 93,933.96 × 45,103.76
  4. Step 4: Simplify right side
    68,114.96x = 4,236,774,787.69
  5. Step 5: Solve for x
    x = 4,236,774,787.69/68,114.96
  6. Step 6: Final answer
    x = 62,200.36

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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.