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Finding the Fourth Proportional to 93,242.30, 128,675.85 and 50,800.82

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Solution

The fourth proportional to 93,242.30, 128,675.85 and 50,800.82 is: 70,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,242.30 : 128,675.85 = 50,800.82 : x
  2. Step 2: Convert to fraction form
    93,242.30/128,675.85 = 50,800.82/x
  3. Step 3: Cross multiply
    93,242.30x = 128,675.85 × 50,800.82
  4. Step 4: Simplify right side
    93,242.30x = 6,536,838,694.20
  5. Step 5: Solve for x
    x = 6,536,838,694.20/93,242.30
  6. Step 6: Final answer
    x = 70,105.94

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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.