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Finding the Fourth Proportional to 335,408.99, 503,116.99 and 98,756.15

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Solution

The fourth proportional to 335,408.99, 503,116.99 and 98,756.15 is: 148,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,408.99 : 503,116.99 = 98,756.15 : x
  2. Step 2: Convert to fraction form
    335,408.99/503,116.99 = 98,756.15/x
  3. Step 3: Cross multiply
    335,408.99x = 503,116.99 × 98,756.15
  4. Step 4: Simplify right side
    335,408.99x = 49,685,894,416.40
  5. Step 5: Solve for x
    x = 49,685,894,416.40/335,408.99
  6. Step 6: Final answer
    x = 148,135.25

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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.