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Finding the Fourth Proportional to 116,373.65, 160,595.82 and 66,072.65

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Solution

The fourth proportional to 116,373.65, 160,595.82 and 66,072.65 is: 91,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,373.65 : 160,595.82 = 66,072.65 : x
  2. Step 2: Convert to fraction form
    116,373.65/160,595.82 = 66,072.65/x
  3. Step 3: Cross multiply
    116,373.65x = 160,595.82 × 66,072.65
  4. Step 4: Simplify right side
    116,373.65x = 10,610,990,603.34
  5. Step 5: Solve for x
    x = 10,610,990,603.34/116,373.65
  6. Step 6: Final answer
    x = 91,180.36

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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.