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Finding the Fourth Proportional to 97,157.48, 133,847.59 and 92,673.21

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Solution

The fourth proportional to 97,157.48, 133,847.59 and 92,673.21 is: 127,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,157.48 : 133,847.59 = 92,673.21 : x
  2. Step 2: Convert to fraction form
    97,157.48/133,847.59 = 92,673.21/x
  3. Step 3: Cross multiply
    97,157.48x = 133,847.59 × 92,673.21
  4. Step 4: Simplify right side
    97,157.48x = 12,404,086,260.07
  5. Step 5: Solve for x
    x = 12,404,086,260.07/97,157.48
  6. Step 6: Final answer
    x = 127,669.91

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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.