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Finding the Fourth Proportional to 93,375.72, 128,858.04 and 50,933.88

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Solution

The fourth proportional to 93,375.72, 128,858.04 and 50,933.88 is: 70,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,375.72 : 128,858.04 = 50,933.88 : x
  2. Step 2: Convert to fraction form
    93,375.72/128,858.04 = 50,933.88/x
  3. Step 3: Cross multiply
    93,375.72x = 128,858.04 × 50,933.88
  4. Step 4: Simplify right side
    93,375.72x = 6,563,239,946.40
  5. Step 5: Solve for x
    x = 6,563,239,946.40/93,375.72
  6. Step 6: Final answer
    x = 70,288.51

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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.