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Finding the Fourth Proportional to 125,936.64, 173,790.72 and 69,346.56

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Solution

The fourth proportional to 125,936.64, 173,790.72 and 69,346.56 is: 95,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.64 : 173,790.72 = 69,346.56 : x
  2. Step 2: Convert to fraction form
    125,936.64/173,790.72 = 69,346.56/x
  3. Step 3: Cross multiply
    125,936.64x = 173,790.72 × 69,346.56
  4. Step 4: Simplify right side
    125,936.64x = 12,051,788,591.92
  5. Step 5: Solve for x
    x = 12,051,788,591.92/125,936.64
  6. Step 6: Final answer
    x = 95,697.24

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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.