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Finding the Fourth Proportional to 119,516.67, 164,929.43 and 65,801.52

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Solution

The fourth proportional to 119,516.67, 164,929.43 and 65,801.52 is: 90,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,516.67 : 164,929.43 = 65,801.52 : x
  2. Step 2: Convert to fraction form
    119,516.67/164,929.43 = 65,801.52/x
  3. Step 3: Cross multiply
    119,516.67x = 164,929.43 × 65,801.52
  4. Step 4: Simplify right side
    119,516.67x = 10,852,607,351.24
  5. Step 5: Solve for x
    x = 10,852,607,351.24/119,516.67
  6. Step 6: Final answer
    x = 90,804.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.