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Finding the Fourth Proportional to 243,228.60, 363,968.10 and 164,496.60

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Solution

The fourth proportional to 243,228.60, 363,968.10 and 164,496.60 is: 246,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,228.60 : 363,968.10 = 164,496.60 : x
  2. Step 2: Convert to fraction form
    243,228.60/363,968.10 = 164,496.60/x
  3. Step 3: Cross multiply
    243,228.60x = 363,968.10 × 164,496.60
  4. Step 4: Simplify right side
    243,228.60x = 59,871,514,958.46
  5. Step 5: Solve for x
    x = 59,871,514,958.46/243,228.60
  6. Step 6: Final answer
    x = 246,153.27

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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.