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Finding the Fourth Proportional to 93,257.33, 128,691.09 and 52,970.97

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Solution

The fourth proportional to 93,257.33, 128,691.09 and 52,970.97 is: 73,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,257.33 : 128,691.09 = 52,970.97 : x
  2. Step 2: Convert to fraction form
    93,257.33/128,691.09 = 52,970.97/x
  3. Step 3: Cross multiply
    93,257.33x = 128,691.09 × 52,970.97
  4. Step 4: Simplify right side
    93,257.33x = 6,816,891,867.66
  5. Step 5: Solve for x
    x = 6,816,891,867.66/93,257.33
  6. Step 6: Final answer
    x = 73,097.65

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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.