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Finding the Fourth Proportional to 93,478.96, 140,217.09 and 43,531.12

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Solution

The fourth proportional to 93,478.96, 140,217.09 and 43,531.12 is: 65,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,478.96 : 140,217.09 = 43,531.12 : x
  2. Step 2: Convert to fraction form
    93,478.96/140,217.09 = 43,531.12/x
  3. Step 3: Cross multiply
    93,478.96x = 140,217.09 × 43,531.12
  4. Step 4: Simplify right side
    93,478.96x = 6,103,806,970.84
  5. Step 5: Solve for x
    x = 6,103,806,970.84/93,478.96
  6. Step 6: Final answer
    x = 65,296.05

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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.