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Finding the Fourth Proportional to 93,277.68, 128,034.48 and 82,980.60

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Solution

The fourth proportional to 93,277.68, 128,034.48 and 82,980.60 is: 113,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,277.68 : 128,034.48 = 82,980.60 : x
  2. Step 2: Convert to fraction form
    93,277.68/128,034.48 = 82,980.60/x
  3. Step 3: Cross multiply
    93,277.68x = 128,034.48 × 82,980.60
  4. Step 4: Simplify right side
    93,277.68x = 10,624,377,971.09
  5. Step 5: Solve for x
    x = 10,624,377,971.09/93,277.68
  6. Step 6: Final answer
    x = 113,900.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.