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Finding the Fourth Proportional to 244,710.72, 337,668.48 and 137,276.64

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Solution

The fourth proportional to 244,710.72, 337,668.48 and 137,276.64 is: 189,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,710.72 : 337,668.48 = 137,276.64 : x
  2. Step 2: Convert to fraction form
    244,710.72/337,668.48 = 137,276.64/x
  3. Step 3: Cross multiply
    244,710.72x = 337,668.48 × 137,276.64
  4. Step 4: Simplify right side
    244,710.72x = 46,353,994,368.31
  5. Step 5: Solve for x
    x = 46,353,994,368.31/244,710.72
  6. Step 6: Final answer
    x = 189,423.64

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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.