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Finding the Fourth Proportional to 113,765.84, 170,648.76 and 30,668.24

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Solution

The fourth proportional to 113,765.84, 170,648.76 and 30,668.24 is: 46,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,765.84 : 170,648.76 = 30,668.24 : x
  2. Step 2: Convert to fraction form
    113,765.84/170,648.76 = 30,668.24/x
  3. Step 3: Cross multiply
    113,765.84x = 170,648.76 × 30,668.24
  4. Step 4: Simplify right side
    113,765.84x = 5,233,497,127.38
  5. Step 5: Solve for x
    x = 5,233,497,127.38/113,765.84
  6. Step 6: Final answer
    x = 46,002.36

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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.