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Finding the Fourth Proportional to 99,522.60, 148,933.30 and 62,100.30

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Solution

The fourth proportional to 99,522.60, 148,933.30 and 62,100.30 is: 92,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,522.60 : 148,933.30 = 62,100.30 : x
  2. Step 2: Convert to fraction form
    99,522.60/148,933.30 = 62,100.30/x
  3. Step 3: Cross multiply
    99,522.60x = 148,933.30 × 62,100.30
  4. Step 4: Simplify right side
    99,522.60x = 9,248,802,609.99
  5. Step 5: Solve for x
    x = 9,248,802,609.99/99,522.60
  6. Step 6: Final answer
    x = 92,931.68

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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.