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Finding the Fourth Proportional to 113,265.34, 169,918.49 and 46,668.42

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Solution

The fourth proportional to 113,265.34, 169,918.49 and 46,668.42 is: 70,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,265.34 : 169,918.49 = 46,668.42 : x
  2. Step 2: Convert to fraction form
    113,265.34/169,918.49 = 46,668.42/x
  3. Step 3: Cross multiply
    113,265.34x = 169,918.49 × 46,668.42
  4. Step 4: Simplify right side
    113,265.34x = 7,929,827,573.76
  5. Step 5: Solve for x
    x = 7,929,827,573.76/113,265.34
  6. Step 6: Final answer
    x = 70,011.07

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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.