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Finding the Fourth Proportional to 346,759.98, 519,992.28 and 136,250.25

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Solution

The fourth proportional to 346,759.98, 519,992.28 and 136,250.25 is: 204,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,759.98 : 519,992.28 = 136,250.25 : x
  2. Step 2: Convert to fraction form
    346,759.98/519,992.28 = 136,250.25/x
  3. Step 3: Cross multiply
    346,759.98x = 519,992.28 × 136,250.25
  4. Step 4: Simplify right side
    346,759.98x = 70,849,078,148.07
  5. Step 5: Solve for x
    x = 70,849,078,148.07/346,759.98
  6. Step 6: Final answer
    x = 204,317.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.