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Finding the Fourth Proportional to 375,009.12, 562,604.88 and 108,763.68

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Solution

The fourth proportional to 375,009.12, 562,604.88 and 108,763.68 is: 163,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,009.12 : 562,604.88 = 108,763.68 : x
  2. Step 2: Convert to fraction form
    375,009.12/562,604.88 = 108,763.68/x
  3. Step 3: Cross multiply
    375,009.12x = 562,604.88 × 108,763.68
  4. Step 4: Simplify right side
    375,009.12x = 61,190,977,134.76
  5. Step 5: Solve for x
    x = 61,190,977,134.76/375,009.12
  6. Step 6: Final answer
    x = 163,171.97

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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.