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Finding the Fourth Proportional to 93,970.99, 141,076.77 and 80,728.71

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Solution

The fourth proportional to 93,970.99, 141,076.77 and 80,728.71 is: 121,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,970.99 : 141,076.77 = 80,728.71 : x
  2. Step 2: Convert to fraction form
    93,970.99/141,076.77 = 80,728.71/x
  3. Step 3: Cross multiply
    93,970.99x = 141,076.77 × 80,728.71
  4. Step 4: Simplify right side
    93,970.99x = 11,388,945,149.50
  5. Step 5: Solve for x
    x = 11,388,945,149.50/93,970.99
  6. Step 6: Final answer
    x = 121,196.39

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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.