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Finding the Fourth Proportional to 157,777.99, 217,741.78 and 96,504.98

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Solution

The fourth proportional to 157,777.99, 217,741.78 and 96,504.98 is: 133,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777.99 : 217,741.78 = 96,504.98 : x
  2. Step 2: Convert to fraction form
    157,777.99/217,741.78 = 96,504.98/x
  3. Step 3: Cross multiply
    157,777.99x = 217,741.78 × 96,504.98
  4. Step 4: Simplify right side
    157,777.99x = 21,013,165,155.99
  5. Step 5: Solve for x
    x = 21,013,165,155.99/157,777.99
  6. Step 6: Final answer
    x = 133,181.86

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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.