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Finding the Fourth Proportional to 93,693.60, 140,540.40 and 47,037.60

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Solution

The fourth proportional to 93,693.60, 140,540.40 and 47,037.60 is: 70,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,693.60 : 140,540.40 = 47,037.60 : x
  2. Step 2: Convert to fraction form
    93,693.60/140,540.40 = 47,037.60/x
  3. Step 3: Cross multiply
    93,693.60x = 140,540.40 × 47,037.60
  4. Step 4: Simplify right side
    93,693.60x = 6,610,683,119.04
  5. Step 5: Solve for x
    x = 6,610,683,119.04/93,693.60
  6. Step 6: Final answer
    x = 70,556.40

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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.