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Finding the Fourth Proportional to 268,296.87, 370,168.93 and 160,827.69

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Solution

The fourth proportional to 268,296.87, 370,168.93 and 160,827.69 is: 221,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,296.87 : 370,168.93 = 160,827.69 : x
  2. Step 2: Convert to fraction form
    268,296.87/370,168.93 = 160,827.69/x
  3. Step 3: Cross multiply
    268,296.87x = 370,168.93 × 160,827.69
  4. Step 4: Simplify right side
    268,296.87x = 59,533,413,921.67
  5. Step 5: Solve for x
    x = 59,533,413,921.67/268,296.87
  6. Step 6: Final answer
    x = 221,893.81

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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.