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Finding the Fourth Proportional to 125,722.10, 173,496.49 and 69,133.48

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Solution

The fourth proportional to 125,722.10, 173,496.49 and 69,133.48 is: 95,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,722.10 : 173,496.49 = 69,133.48 : x
  2. Step 2: Convert to fraction form
    125,722.10/173,496.49 = 69,133.48/x
  3. Step 3: Cross multiply
    125,722.10x = 173,496.49 × 69,133.48
  4. Step 4: Simplify right side
    125,722.10x = 11,994,415,514.91
  5. Step 5: Solve for x
    x = 11,994,415,514.91/125,722.10
  6. Step 6: Final answer
    x = 95,404.19

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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.