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Finding the Fourth Proportional to 93,693.70, 140,520.20 and 29,656.82

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Solution

The fourth proportional to 93,693.70, 140,520.20 and 29,656.82 is: 44,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,693.70 : 140,520.20 = 29,656.82 : x
  2. Step 2: Convert to fraction form
    93,693.70/140,520.20 = 29,656.82/x
  3. Step 3: Cross multiply
    93,693.70x = 140,520.20 × 29,656.82
  4. Step 4: Simplify right side
    93,693.70x = 4,167,382,277.76
  5. Step 5: Solve for x
    x = 4,167,382,277.76/93,693.70
  6. Step 6: Final answer
    x = 44,478.79

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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.