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Finding the Fourth Proportional to 125,879.72, 173,714.10 and 69,292.04

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Solution

The fourth proportional to 125,879.72, 173,714.10 and 69,292.04 is: 95,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.72 : 173,714.10 = 69,292.04 : x
  2. Step 2: Convert to fraction form
    125,879.72/173,714.10 = 69,292.04/x
  3. Step 3: Cross multiply
    125,879.72x = 173,714.10 × 69,292.04
  4. Step 4: Simplify right side
    125,879.72x = 12,037,004,365.76
  5. Step 5: Solve for x
    x = 12,037,004,365.76/125,879.72
  6. Step 6: Final answer
    x = 95,623.06

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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.