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Finding the Fourth Proportional to 268,596.93, 401,901.54 and 162,042.66

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Solution

The fourth proportional to 268,596.93, 401,901.54 and 162,042.66 is: 242,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,596.93 : 401,901.54 = 162,042.66 : x
  2. Step 2: Convert to fraction form
    268,596.93/401,901.54 = 162,042.66/x
  3. Step 3: Cross multiply
    268,596.93x = 401,901.54 × 162,042.66
  4. Step 4: Simplify right side
    268,596.93x = 65,125,194,599.70
  5. Step 5: Solve for x
    x = 65,125,194,599.70/268,596.93
  6. Step 6: Final answer
    x = 242,464.40

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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.