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Finding the Fourth Proportional to 228,361.43, 342,574.97 and 70,602.19

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Solution

The fourth proportional to 228,361.43, 342,574.97 and 70,602.19 is: 105,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,361.43 : 342,574.97 = 70,602.19 : x
  2. Step 2: Convert to fraction form
    228,361.43/342,574.97 = 70,602.19/x
  3. Step 3: Cross multiply
    228,361.43x = 342,574.97 × 70,602.19
  4. Step 4: Simplify right side
    228,361.43x = 24,186,541,911.74
  5. Step 5: Solve for x
    x = 24,186,541,911.74/228,361.43
  6. Step 6: Final answer
    x = 105,913.43

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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.