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Finding the Fourth Proportional to 93,133.92, 128,524.78 and 50,692.75

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Solution

The fourth proportional to 93,133.92, 128,524.78 and 50,692.75 is: 69,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.92 : 128,524.78 = 50,692.75 : x
  2. Step 2: Convert to fraction form
    93,133.92/128,524.78 = 50,692.75/x
  3. Step 3: Cross multiply
    93,133.92x = 128,524.78 × 50,692.75
  4. Step 4: Simplify right side
    93,133.92x = 6,515,274,541.35
  5. Step 5: Solve for x
    x = 6,515,274,541.35/93,133.92
  6. Step 6: Final answer
    x = 69,955.98

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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.