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Finding the Fourth Proportional to 96,662.28, 133,090.80 and 87,804.93

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Solution

The fourth proportional to 96,662.28, 133,090.80 and 87,804.93 is: 120,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.28 : 133,090.80 = 87,804.93 : x
  2. Step 2: Convert to fraction form
    96,662.28/133,090.80 = 87,804.93/x
  3. Step 3: Cross multiply
    96,662.28x = 133,090.80 × 87,804.93
  4. Step 4: Simplify right side
    96,662.28x = 11,686,028,377.64
  5. Step 5: Solve for x
    x = 11,686,028,377.64/96,662.28
  6. Step 6: Final answer
    x = 120,895.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.