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Finding the Fourth Proportional to 93,037.60, 139,556.40 and 88,760.80

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Solution

The fourth proportional to 93,037.60, 139,556.40 and 88,760.80 is: 133,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037.60 : 139,556.40 = 88,760.80 : x
  2. Step 2: Convert to fraction form
    93,037.60/139,556.40 = 88,760.80/x
  3. Step 3: Cross multiply
    93,037.60x = 139,556.40 × 88,760.80
  4. Step 4: Simplify right side
    93,037.60x = 12,387,137,709.12
  5. Step 5: Solve for x
    x = 12,387,137,709.12/93,037.60
  6. Step 6: Final answer
    x = 133,141.20

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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.