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Finding the Fourth Proportional to 115,805.80, 173,579.10 and 59,624.20

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Solution

The fourth proportional to 115,805.80, 173,579.10 and 59,624.20 is: 89,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,805.80 : 173,579.10 = 59,624.20 : x
  2. Step 2: Convert to fraction form
    115,805.80/173,579.10 = 59,624.20/x
  3. Step 3: Cross multiply
    115,805.80x = 173,579.10 × 59,624.20
  4. Step 4: Simplify right side
    115,805.80x = 10,349,514,974.22
  5. Step 5: Solve for x
    x = 10,349,514,974.22/115,805.80
  6. Step 6: Final answer
    x = 89,369.57

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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.