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Finding the Fourth Proportional to 113,859.54, 170,788.95 and 30,753.54

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Solution

The fourth proportional to 113,859.54, 170,788.95 and 30,753.54 is: 46,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,859.54 : 170,788.95 = 30,753.54 : x
  2. Step 2: Convert to fraction form
    113,859.54/170,788.95 = 30,753.54/x
  3. Step 3: Cross multiply
    113,859.54x = 170,788.95 × 30,753.54
  4. Step 4: Simplify right side
    113,859.54x = 5,252,364,805.38
  5. Step 5: Solve for x
    x = 5,252,364,805.38/113,859.54
  6. Step 6: Final answer
    x = 46,130.21

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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.