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Finding the Fourth Proportional to 114,858.95, 172,323.45 and 58,738.43

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Solution

The fourth proportional to 114,858.95, 172,323.45 and 58,738.43 is: 88,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,858.95 : 172,323.45 = 58,738.43 : x
  2. Step 2: Convert to fraction form
    114,858.95/172,323.45 = 58,738.43/x
  3. Step 3: Cross multiply
    114,858.95x = 172,323.45 × 58,738.43
  4. Step 4: Simplify right side
    114,858.95x = 10,122,009,335.99
  5. Step 5: Solve for x
    x = 10,122,009,335.99/114,858.95
  6. Step 6: Final answer
    x = 88,125.56

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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.