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Finding the Fourth Proportional to 93,375.40, 128,857.84 and 50,933.93

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Solution

The fourth proportional to 93,375.40, 128,857.84 and 50,933.93 is: 70,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,375.40 : 128,857.84 = 50,933.93 : x
  2. Step 2: Convert to fraction form
    93,375.40/128,857.84 = 50,933.93/x
  3. Step 3: Cross multiply
    93,375.40x = 128,857.84 × 50,933.93
  4. Step 4: Simplify right side
    93,375.40x = 6,563,236,202.51
  5. Step 5: Solve for x
    x = 6,563,236,202.51/93,375.40
  6. Step 6: Final answer
    x = 70,288.71

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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.