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Finding the Fourth Proportional to 243,286.60, 364,055.10 and 164,554.60

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Solution

The fourth proportional to 243,286.60, 364,055.10 and 164,554.60 is: 246,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,286.60 : 364,055.10 = 164,554.60 : x
  2. Step 2: Convert to fraction form
    243,286.60/364,055.10 = 164,554.60/x
  3. Step 3: Cross multiply
    243,286.60x = 364,055.10 × 164,554.60
  4. Step 4: Simplify right side
    243,286.60x = 59,906,941,358.46
  5. Step 5: Solve for x
    x = 59,906,941,358.46/243,286.60
  6. Step 6: Final answer
    x = 246,240.20

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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.