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Finding the Fourth Proportional to 98,263.98, 147,401.37 and 92,949.57

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Solution

The fourth proportional to 98,263.98, 147,401.37 and 92,949.57 is: 139,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,263.98 : 147,401.37 = 92,949.57 : x
  2. Step 2: Convert to fraction form
    98,263.98/147,401.37 = 92,949.57/x
  3. Step 3: Cross multiply
    98,263.98x = 147,401.37 × 92,949.57
  4. Step 4: Simplify right side
    98,263.98x = 13,700,893,958.91
  5. Step 5: Solve for x
    x = 13,700,893,958.91/98,263.98
  6. Step 6: Final answer
    x = 139,429.46

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1.5x scale

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.