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Finding the Fourth Proportional to 104,535.99, 157,005.72 and 89,576.91

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Solution

The fourth proportional to 104,535.99, 157,005.72 and 89,576.91 is: 134,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,535.99 : 157,005.72 = 89,576.91 : x
  2. Step 2: Convert to fraction form
    104,535.99/157,005.72 = 89,576.91/x
  3. Step 3: Cross multiply
    104,535.99x = 157,005.72 × 89,576.91
  4. Step 4: Simplify right side
    104,535.99x = 14,064,087,249.93
  5. Step 5: Solve for x
    x = 14,064,087,249.93/104,535.99
  6. Step 6: Final answer
    x = 134,538.23

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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.