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Finding the Fourth Proportional to 341,602.35, 512,422.29 and 141,942.93

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Solution

The fourth proportional to 341,602.35, 512,422.29 and 141,942.93 is: 212,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,602.35 : 512,422.29 = 141,942.93 : x
  2. Step 2: Convert to fraction form
    341,602.35/512,422.29 = 141,942.93/x
  3. Step 3: Cross multiply
    341,602.35x = 512,422.29 × 141,942.93
  4. Step 4: Simplify right side
    341,602.35x = 72,734,721,239.91
  5. Step 5: Solve for x
    x = 72,734,721,239.91/341,602.35
  6. Step 6: Final answer
    x = 212,922.19

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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.