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Finding the Fourth Proportional to 99,037, 148,561.98 and 43,633

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Solution

The fourth proportional to 99,037, 148,561.98 and 43,633 is: 65,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,037 : 148,561.98 = 43,633 : x
  2. Step 2: Convert to fraction form
    99,037/148,561.98 = 43,633/x
  3. Step 3: Cross multiply
    99,037x = 148,561.98 × 43,633
  4. Step 4: Simplify right side
    99,037x = 6,482,204,873.34
  5. Step 5: Solve for x
    x = 6,482,204,873.34/99,037
  6. Step 6: Final answer
    x = 65,452.35

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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.