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Finding the Fourth Proportional to 69,317.54, 95,684.12 and 53,973.74

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Solution

The fourth proportional to 69,317.54, 95,684.12 and 53,973.74 is: 74,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,317.54 : 95,684.12 = 53,973.74 : x
  2. Step 2: Convert to fraction form
    69,317.54/95,684.12 = 53,973.74/x
  3. Step 3: Cross multiply
    69,317.54x = 95,684.12 × 53,973.74
  4. Step 4: Simplify right side
    69,317.54x = 5,164,429,815.01
  5. Step 5: Solve for x
    x = 5,164,429,815.01/69,317.54
  6. Step 6: Final answer
    x = 74,503.94

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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.