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Finding the Fourth Proportional to 91,307.52, 125,994.24 and 51,563.52

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Solution

The fourth proportional to 91,307.52, 125,994.24 and 51,563.52 is: 71,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,307.52 : 125,994.24 = 51,563.52 : x
  2. Step 2: Convert to fraction form
    91,307.52/125,994.24 = 51,563.52/x
  3. Step 3: Cross multiply
    91,307.52x = 125,994.24 × 51,563.52
  4. Step 4: Simplify right side
    91,307.52x = 6,496,706,514.12
  5. Step 5: Solve for x
    x = 6,496,706,514.12/91,307.52
  6. Step 6: Final answer
    x = 71,151.93

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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.