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Finding the Fourth Proportional to 93,375.46, 128,856.04 and 50,935.51

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Solution

The fourth proportional to 93,375.46, 128,856.04 and 50,935.51 is: 70,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,375.46 : 128,856.04 = 50,935.51 : x
  2. Step 2: Convert to fraction form
    93,375.46/128,856.04 = 50,935.51/x
  3. Step 3: Cross multiply
    93,375.46x = 128,856.04 × 50,935.51
  4. Step 4: Simplify right side
    93,375.46x = 6,563,348,113.98
  5. Step 5: Solve for x
    x = 6,563,348,113.98/93,375.46
  6. Step 6: Final answer
    x = 70,289.86

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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.