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Finding the Fourth Proportional to 199,482.35, 299,311.25 and 104,690.25

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Solution

The fourth proportional to 199,482.35, 299,311.25 and 104,690.25 is: 157,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,482.35 : 299,311.25 = 104,690.25 : x
  2. Step 2: Convert to fraction form
    199,482.35/299,311.25 = 104,690.25/x
  3. Step 3: Cross multiply
    199,482.35x = 299,311.25 × 104,690.25
  4. Step 4: Simplify right side
    199,482.35x = 31,334,969,066.86
  5. Step 5: Solve for x
    x = 31,334,969,066.86/199,482.35
  6. Step 6: Final answer
    x = 157,081.42

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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.