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Finding the Fourth Proportional to 114,658.58, 171,954.66 and 39,775.70

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Solution

The fourth proportional to 114,658.58, 171,954.66 and 39,775.70 is: 59,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.58 : 171,954.66 = 39,775.70 : x
  2. Step 2: Convert to fraction form
    114,658.58/171,954.66 = 39,775.70/x
  3. Step 3: Cross multiply
    114,658.58x = 171,954.66 × 39,775.70
  4. Step 4: Simplify right side
    114,658.58x = 6,839,616,969.76
  5. Step 5: Solve for x
    x = 6,839,616,969.76/114,658.58
  6. Step 6: Final answer
    x = 59,652.03

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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.