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Finding the Fourth Proportional to 375,109.66, 562,713.90 and 122,301.38

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Solution

The fourth proportional to 375,109.66, 562,713.90 and 122,301.38 is: 183,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,109.66 : 562,713.90 = 122,301.38 : x
  2. Step 2: Convert to fraction form
    375,109.66/562,713.90 = 122,301.38/x
  3. Step 3: Cross multiply
    375,109.66x = 562,713.90 × 122,301.38
  4. Step 4: Simplify right side
    375,109.66x = 68,820,686,515.18
  5. Step 5: Solve for x
    x = 68,820,686,515.18/375,109.66
  6. Step 6: Final answer
    x = 183,468.18

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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.