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Finding the Fourth Proportional to 368,951.47, 553,237.23 and 169,100.71

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Solution

The fourth proportional to 368,951.47, 553,237.23 and 169,100.71 is: 253,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,951.47 : 553,237.23 = 169,100.71 : x
  2. Step 2: Convert to fraction form
    368,951.47/553,237.23 = 169,100.71/x
  3. Step 3: Cross multiply
    368,951.47x = 553,237.23 × 169,100.71
  4. Step 4: Simplify right side
    368,951.47x = 93,552,808,391.43
  5. Step 5: Solve for x
    x = 93,552,808,391.43/368,951.47
  6. Step 6: Final answer
    x = 253,563.99

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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.