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Finding the Fourth Proportional to 375,105.66, 562,707.90 and 122,297.37

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Solution

The fourth proportional to 375,105.66, 562,707.90 and 122,297.37 is: 183,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,105.66 : 562,707.90 = 122,297.37 : x
  2. Step 2: Convert to fraction form
    375,105.66/562,707.90 = 122,297.37/x
  3. Step 3: Cross multiply
    375,105.66x = 562,707.90 × 122,297.37
  4. Step 4: Simplify right side
    375,105.66x = 68,817,696,248.22
  5. Step 5: Solve for x
    x = 68,817,696,248.22/375,105.66
  6. Step 6: Final answer
    x = 183,462.16

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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.