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Finding the Fourth Proportional to 144,042.76, 216,344.22 and 117,408.28

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Solution

The fourth proportional to 144,042.76, 216,344.22 and 117,408.28 is: 176,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042.76 : 216,344.22 = 117,408.28 : x
  2. Step 2: Convert to fraction form
    144,042.76/216,344.22 = 117,408.28/x
  3. Step 3: Cross multiply
    144,042.76x = 216,344.22 × 117,408.28
  4. Step 4: Simplify right side
    144,042.76x = 25,400,602,758.14
  5. Step 5: Solve for x
    x = 25,400,602,758.14/144,042.76
  6. Step 6: Final answer
    x = 176,340.71

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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.