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Finding the Fourth Proportional to 368,497.64, 552,740.22 and 165,981.08

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Solution

The fourth proportional to 368,497.64, 552,740.22 and 165,981.08 is: 248,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,497.64 : 552,740.22 = 165,981.08 : x
  2. Step 2: Convert to fraction form
    368,497.64/552,740.22 = 165,981.08/x
  3. Step 3: Cross multiply
    368,497.64x = 552,740.22 × 165,981.08
  4. Step 4: Simplify right side
    368,497.64x = 91,744,415,911.34
  5. Step 5: Solve for x
    x = 91,744,415,911.34/368,497.64
  6. Step 6: Final answer
    x = 248,968.81

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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.