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Finding the Fourth Proportional to 93,244.44, 128,686.56 and 56,943.84

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Solution

The fourth proportional to 93,244.44, 128,686.56 and 56,943.84 is: 78,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,244.44 : 128,686.56 = 56,943.84 : x
  2. Step 2: Convert to fraction form
    93,244.44/128,686.56 = 56,943.84/x
  3. Step 3: Cross multiply
    93,244.44x = 128,686.56 × 56,943.84
  4. Step 4: Simplify right side
    93,244.44x = 7,327,906,882.79
  5. Step 5: Solve for x
    x = 7,327,906,882.79/93,244.44
  6. Step 6: Final answer
    x = 78,588.14

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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.