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Finding the Fourth Proportional to 375,855.17, 563,865.66 and 109,636.52

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Solution

The fourth proportional to 375,855.17, 563,865.66 and 109,636.52 is: 164,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,855.17 : 563,865.66 = 109,636.52 : x
  2. Step 2: Convert to fraction form
    375,855.17/563,865.66 = 109,636.52/x
  3. Step 3: Cross multiply
    375,855.17x = 563,865.66 × 109,636.52
  4. Step 4: Simplify right side
    375,855.17x = 61,820,265,890.57
  5. Step 5: Solve for x
    x = 61,820,265,890.57/375,855.17
  6. Step 6: Final answer
    x = 164,478.96

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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.