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Finding the Fourth Proportional to 245,045.43, 367,715.43 and 104,804.19

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Solution

The fourth proportional to 245,045.43, 367,715.43 and 104,804.19 is: 157,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,045.43 : 367,715.43 = 104,804.19 : x
  2. Step 2: Convert to fraction form
    245,045.43/367,715.43 = 104,804.19/x
  3. Step 3: Cross multiply
    245,045.43x = 367,715.43 × 104,804.19
  4. Step 4: Simplify right side
    245,045.43x = 38,538,117,791.65
  5. Step 5: Solve for x
    x = 38,538,117,791.65/245,045.43
  6. Step 6: Final answer
    x = 157,269.28

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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.