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Finding the Fourth Proportional to 251,376.84, 346,902.03 and 136,655.46

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Solution

The fourth proportional to 251,376.84, 346,902.03 and 136,655.46 is: 188,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,376.84 : 346,902.03 = 136,655.46 : x
  2. Step 2: Convert to fraction form
    251,376.84/346,902.03 = 136,655.46/x
  3. Step 3: Cross multiply
    251,376.84x = 346,902.03 × 136,655.46
  4. Step 4: Simplify right side
    251,376.84x = 47,406,056,484.58
  5. Step 5: Solve for x
    x = 47,406,056,484.58/251,376.84
  6. Step 6: Final answer
    x = 188,585.62

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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.