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Finding the Fourth Proportional to 379,048.71, 568,570.75 and 94,737.84

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Solution

The fourth proportional to 379,048.71, 568,570.75 and 94,737.84 is: 142,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,048.71 : 568,570.75 = 94,737.84 : x
  2. Step 2: Convert to fraction form
    379,048.71/568,570.75 = 94,737.84/x
  3. Step 3: Cross multiply
    379,048.71x = 568,570.75 × 94,737.84
  4. Step 4: Simplify right side
    379,048.71x = 53,865,164,742.18
  5. Step 5: Solve for x
    x = 53,865,164,742.18/379,048.71
  6. Step 6: Final answer
    x = 142,106.18

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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.