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Finding the Fourth Proportional to 93,325.84, 128,786.40 and 50,883.52

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Solution

The fourth proportional to 93,325.84, 128,786.40 and 50,883.52 is: 70,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,325.84 : 128,786.40 = 50,883.52 : x
  2. Step 2: Convert to fraction form
    93,325.84/128,786.40 = 50,883.52/x
  3. Step 3: Cross multiply
    93,325.84x = 128,786.40 × 50,883.52
  4. Step 4: Simplify right side
    93,325.84x = 6,553,105,360.13
  5. Step 5: Solve for x
    x = 6,553,105,360.13/93,325.84
  6. Step 6: Final answer
    x = 70,217.48

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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.