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Finding the Fourth Proportional to 125,608.60, 173,337.84 and 69,018.76

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Solution

The fourth proportional to 125,608.60, 173,337.84 and 69,018.76 is: 95,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,608.60 : 173,337.84 = 69,018.76 : x
  2. Step 2: Convert to fraction form
    125,608.60/173,337.84 = 69,018.76/x
  3. Step 3: Cross multiply
    125,608.60x = 173,337.84 × 69,018.76
  4. Step 4: Simplify right side
    125,608.60x = 11,963,562,777.88
  5. Step 5: Solve for x
    x = 11,963,562,777.88/125,608.60
  6. Step 6: Final answer
    x = 95,244.77

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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.