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Finding the Fourth Proportional to 93,083.64, 128,449.99 and 52,243.97

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Solution

The fourth proportional to 93,083.64, 128,449.99 and 52,243.97 is: 72,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.64 : 128,449.99 = 52,243.97 : x
  2. Step 2: Convert to fraction form
    93,083.64/128,449.99 = 52,243.97/x
  3. Step 3: Cross multiply
    93,083.64x = 128,449.99 × 52,243.97
  4. Step 4: Simplify right side
    93,083.64x = 6,710,737,682.58
  5. Step 5: Solve for x
    x = 6,710,737,682.58/93,083.64
  6. Step 6: Final answer
    x = 72,093.63

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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.