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Finding the Fourth Proportional to 69,958.54, 96,579.71 and 56,197.45

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Solution

The fourth proportional to 69,958.54, 96,579.71 and 56,197.45 is: 77,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.54 : 96,579.71 = 56,197.45 : x
  2. Step 2: Convert to fraction form
    69,958.54/96,579.71 = 56,197.45/x
  3. Step 3: Cross multiply
    69,958.54x = 96,579.71 × 56,197.45
  4. Step 4: Simplify right side
    69,958.54x = 5,427,533,423.74
  5. Step 5: Solve for x
    x = 5,427,533,423.74/69,958.54
  6. Step 6: Final answer
    x = 77,582.14

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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.