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Finding the Fourth Proportional to 375,043.62, 562,477.92 and 108,732.66

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Solution

The fourth proportional to 375,043.62, 562,477.92 and 108,732.66 is: 163,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,043.62 : 562,477.92 = 108,732.66 : x
  2. Step 2: Convert to fraction form
    375,043.62/562,477.92 = 108,732.66/x
  3. Step 3: Cross multiply
    375,043.62x = 562,477.92 × 108,732.66
  4. Step 4: Simplify right side
    375,043.62x = 61,159,720,432.87
  5. Step 5: Solve for x
    x = 61,159,720,432.87/375,043.62
  6. Step 6: Final answer
    x = 163,073.62

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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.