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Finding the Fourth Proportional to 254,575.88, 351,325.65 and 141,398.63

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Solution

The fourth proportional to 254,575.88, 351,325.65 and 141,398.63 is: 195,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,575.88 : 351,325.65 = 141,398.63 : x
  2. Step 2: Convert to fraction form
    254,575.88/351,325.65 = 141,398.63/x
  3. Step 3: Cross multiply
    254,575.88x = 351,325.65 × 141,398.63
  4. Step 4: Simplify right side
    254,575.88x = 49,676,963,837.23
  5. Step 5: Solve for x
    x = 49,676,963,837.23/254,575.88
  6. Step 6: Final answer
    x = 195,136.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.