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Finding the Fourth Proportional to 251,572, 346,885.92 and 194,080.48

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Solution

The fourth proportional to 251,572, 346,885.92 and 194,080.48 is: 267,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,572 : 346,885.92 = 194,080.48 : x
  2. Step 2: Convert to fraction form
    251,572/346,885.92 = 194,080.48/x
  3. Step 3: Cross multiply
    251,572x = 346,885.92 × 194,080.48
  4. Step 4: Simplify right side
    251,572x = 67,323,785,858.84
  5. Step 5: Solve for x
    x = 67,323,785,858.84/251,572
  6. Step 6: Final answer
    x = 267,612.40

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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.