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Finding the Fourth Proportional to 251,373.84, 346,897.89 and 136,652.46

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Solution

The fourth proportional to 251,373.84, 346,897.89 and 136,652.46 is: 188,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,373.84 : 346,897.89 = 136,652.46 : x
  2. Step 2: Convert to fraction form
    251,373.84/346,897.89 = 136,652.46/x
  3. Step 3: Cross multiply
    251,373.84x = 346,897.89 × 136,652.46
  4. Step 4: Simplify right side
    251,373.84x = 47,404,450,037.31
  5. Step 5: Solve for x
    x = 47,404,450,037.31/251,373.84
  6. Step 6: Final answer
    x = 188,581.48

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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.