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Finding the Fourth Proportional to 336,142, 504,311.54 and 108,433.07

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Solution

The fourth proportional to 336,142, 504,311.54 and 108,433.07 is: 162,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,142 : 504,311.54 = 108,433.07 : x
  2. Step 2: Convert to fraction form
    336,142/504,311.54 = 108,433.07/x
  3. Step 3: Cross multiply
    336,142x = 504,311.54 × 108,433.07
  4. Step 4: Simplify right side
    336,142x = 54,684,048,518.63
  5. Step 5: Solve for x
    x = 54,684,048,518.63/336,142
  6. Step 6: Final answer
    x = 162,681.39

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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.