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Finding the Fourth Proportional to 93,170.84, 128,575.91 and 50,729.54

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Solution

The fourth proportional to 93,170.84, 128,575.91 and 50,729.54 is: 70,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,170.84 : 128,575.91 = 50,729.54 : x
  2. Step 2: Convert to fraction form
    93,170.84/128,575.91 = 50,729.54/x
  3. Step 3: Cross multiply
    93,170.84x = 128,575.91 × 50,729.54
  4. Step 4: Simplify right side
    93,170.84x = 6,522,596,769.38
  5. Step 5: Solve for x
    x = 6,522,596,769.38/93,170.84
  6. Step 6: Final answer
    x = 70,006.85

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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.