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Finding the Fourth Proportional to 93,188.97, 128,583.66 and 54,960.57

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Solution

The fourth proportional to 93,188.97, 128,583.66 and 54,960.57 is: 75,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.97 : 128,583.66 = 54,960.57 : x
  2. Step 2: Convert to fraction form
    93,188.97/128,583.66 = 54,960.57/x
  3. Step 3: Cross multiply
    93,188.97x = 128,583.66 × 54,960.57
  4. Step 4: Simplify right side
    93,188.97x = 7,067,031,246.29
  5. Step 5: Solve for x
    x = 7,067,031,246.29/93,188.97
  6. Step 6: Final answer
    x = 75,835.49

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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.