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Finding the Fourth Proportional to 93,447.75, 140,229.95 and 38,043.75

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Solution

The fourth proportional to 93,447.75, 140,229.95 and 38,043.75 is: 57,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,447.75 : 140,229.95 = 38,043.75 : x
  2. Step 2: Convert to fraction form
    93,447.75/140,229.95 = 38,043.75/x
  3. Step 3: Cross multiply
    93,447.75x = 140,229.95 × 38,043.75
  4. Step 4: Simplify right side
    93,447.75x = 5,334,872,970.09
  5. Step 5: Solve for x
    x = 5,334,872,970.09/93,447.75
  6. Step 6: Final answer
    x = 57,089.37

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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.