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Finding the Fourth Proportional to 251,801.60, 377,615.36 and 111,658.24

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Solution

The fourth proportional to 251,801.60, 377,615.36 and 111,658.24 is: 167,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,801.60 : 377,615.36 = 111,658.24 : x
  2. Step 2: Convert to fraction form
    251,801.60/377,615.36 = 111,658.24/x
  3. Step 3: Cross multiply
    251,801.60x = 377,615.36 × 111,658.24
  4. Step 4: Simplify right side
    251,801.60x = 42,163,866,494.57
  5. Step 5: Solve for x
    x = 42,163,866,494.57/251,801.60
  6. Step 6: Final answer
    x = 167,448.76

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1.5x scale

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.