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Finding the Fourth Proportional to 341,696.88, 512,586.33 and 142,152.27

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Solution

The fourth proportional to 341,696.88, 512,586.33 and 142,152.27 is: 213,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,696.88 : 512,586.33 = 142,152.27 : x
  2. Step 2: Convert to fraction form
    341,696.88/512,586.33 = 142,152.27/x
  3. Step 3: Cross multiply
    341,696.88x = 512,586.33 × 142,152.27
  4. Step 4: Simplify right side
    341,696.88x = 72,865,307,925.20
  5. Step 5: Solve for x
    x = 72,865,307,925.20/341,696.88
  6. Step 6: Final answer
    x = 213,245.46

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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.