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Finding the Fourth Proportional to 368,950.47, 553,235.73 and 169,099.71

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Solution

The fourth proportional to 368,950.47, 553,235.73 and 169,099.71 is: 253,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,950.47 : 553,235.73 = 169,099.71 : x
  2. Step 2: Convert to fraction form
    368,950.47/553,235.73 = 169,099.71/x
  3. Step 3: Cross multiply
    368,950.47x = 553,235.73 × 169,099.71
  4. Step 4: Simplify right side
    368,950.47x = 93,552,001,504.64
  5. Step 5: Solve for x
    x = 93,552,001,504.64/368,950.47
  6. Step 6: Final answer
    x = 253,562.49

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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.