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Finding the Fourth Proportional to 375,252.57, 562,708.92 and 161,919.81

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Solution

The fourth proportional to 375,252.57, 562,708.92 and 161,919.81 is: 242,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,252.57 : 562,708.92 = 161,919.81 : x
  2. Step 2: Convert to fraction form
    375,252.57/562,708.92 = 161,919.81/x
  3. Step 3: Cross multiply
    375,252.57x = 562,708.92 × 161,919.81
  4. Step 4: Simplify right side
    375,252.57x = 91,113,721,411.71
  5. Step 5: Solve for x
    x = 91,113,721,411.71/375,252.57
  6. Step 6: Final answer
    x = 242,806.39

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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.