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Finding the Fourth Proportional to 98,433.98, 147,512.54 and 56,250.84

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Solution

The fourth proportional to 98,433.98, 147,512.54 and 56,250.84 is: 84,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.98 : 147,512.54 = 56,250.84 : x
  2. Step 2: Convert to fraction form
    98,433.98/147,512.54 = 56,250.84/x
  3. Step 3: Cross multiply
    98,433.98x = 147,512.54 × 56,250.84
  4. Step 4: Simplify right side
    98,433.98x = 8,297,704,285.53
  5. Step 5: Solve for x
    x = 8,297,704,285.53/98,433.98
  6. Step 6: Final answer
    x = 84,297.16

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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.