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Finding the Fourth Proportional to 104,825.34, 157,239.36 and 45,658.82

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Solution

The fourth proportional to 104,825.34, 157,239.36 and 45,658.82 is: 68,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,825.34 : 157,239.36 = 45,658.82 : x
  2. Step 2: Convert to fraction form
    104,825.34/157,239.36 = 45,658.82/x
  3. Step 3: Cross multiply
    104,825.34x = 157,239.36 × 45,658.82
  4. Step 4: Simplify right side
    104,825.34x = 7,179,364,028.25
  5. Step 5: Solve for x
    x = 7,179,364,028.25/104,825.34
  6. Step 6: Final answer
    x = 68,488.82

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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.