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Finding the Fourth Proportional to 375,107.76, 562,378.65 and 122,237.25

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Solution

The fourth proportional to 375,107.76, 562,378.65 and 122,237.25 is: 183,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,107.76 : 562,378.65 = 122,237.25 : x
  2. Step 2: Convert to fraction form
    375,107.76/562,378.65 = 122,237.25/x
  3. Step 3: Cross multiply
    375,107.76x = 562,378.65 × 122,237.25
  4. Step 4: Simplify right side
    375,107.76x = 68,743,619,634.71
  5. Step 5: Solve for x
    x = 68,743,619,634.71/375,107.76
  6. Step 6: Final answer
    x = 183,263.66

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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.