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Finding the Fourth Proportional to 246,071.52, 369,147.07 and 103,938.19

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Solution

The fourth proportional to 246,071.52, 369,147.07 and 103,938.19 is: 155,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,071.52 : 369,147.07 = 103,938.19 : x
  2. Step 2: Convert to fraction form
    246,071.52/369,147.07 = 103,938.19/x
  3. Step 3: Cross multiply
    246,071.52x = 369,147.07 × 103,938.19
  4. Step 4: Simplify right side
    246,071.52x = 38,368,477,506.66
  5. Step 5: Solve for x
    x = 38,368,477,506.66/246,071.52
  6. Step 6: Final answer
    x = 155,924.09

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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.