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Finding the Fourth Proportional to 268,062.60, 369,874.86 and 171,316.98

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Solution

The fourth proportional to 268,062.60, 369,874.86 and 171,316.98 is: 236,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,062.60 : 369,874.86 = 171,316.98 : x
  2. Step 2: Convert to fraction form
    268,062.60/369,874.86 = 171,316.98/x
  3. Step 3: Cross multiply
    268,062.60x = 369,874.86 × 171,316.98
  4. Step 4: Simplify right side
    268,062.60x = 63,365,843,993.12
  5. Step 5: Solve for x
    x = 63,365,843,993.12/268,062.60
  6. Step 6: Final answer
    x = 236,384.50

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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.