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Finding the Fourth Proportional to 251,384.79, 346,985.79 and 144,026.31

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Solution

The fourth proportional to 251,384.79, 346,985.79 and 144,026.31 is: 198,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,384.79 : 346,985.79 = 144,026.31 : x
  2. Step 2: Convert to fraction form
    251,384.79/346,985.79 = 144,026.31/x
  3. Step 3: Cross multiply
    251,384.79x = 346,985.79 × 144,026.31
  4. Step 4: Simplify right side
    251,384.79x = 49,975,082,956.13
  5. Step 5: Solve for x
    x = 49,975,082,956.13/251,384.79
  6. Step 6: Final answer
    x = 198,799.15

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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.