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Finding the Fourth Proportional to 117,622.53, 176,412.96 and 53,565.96

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Solution

The fourth proportional to 117,622.53, 176,412.96 and 53,565.96 is: 80,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.53 : 176,412.96 = 53,565.96 : x
  2. Step 2: Convert to fraction form
    117,622.53/176,412.96 = 53,565.96/x
  3. Step 3: Cross multiply
    117,622.53x = 176,412.96 × 53,565.96
  4. Step 4: Simplify right side
    117,622.53x = 9,449,729,558.84
  5. Step 5: Solve for x
    x = 9,449,729,558.84/117,622.53
  6. Step 6: Final answer
    x = 80,339.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.