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Finding the Fourth Proportional to 99,704.58, 149,557.80 and 29,583.90

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Solution

The fourth proportional to 99,704.58, 149,557.80 and 29,583.90 is: 44,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.58 : 149,557.80 = 29,583.90 : x
  2. Step 2: Convert to fraction form
    99,704.58/149,557.80 = 29,583.90/x
  3. Step 3: Cross multiply
    99,704.58x = 149,557.80 × 29,583.90
  4. Step 4: Simplify right side
    99,704.58x = 4,424,502,999.42
  5. Step 5: Solve for x
    x = 4,424,502,999.42/99,704.58
  6. Step 6: Final answer
    x = 44,376.13

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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.