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Finding the Fourth Proportional to 99,237.99, 148,837.26 and 48,615.30

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Solution

The fourth proportional to 99,237.99, 148,837.26 and 48,615.30 is: 72,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.99 : 148,837.26 = 48,615.30 : x
  2. Step 2: Convert to fraction form
    99,237.99/148,837.26 = 48,615.30/x
  3. Step 3: Cross multiply
    99,237.99x = 148,837.26 × 48,615.30
  4. Step 4: Simplify right side
    99,237.99x = 7,235,768,046.08
  5. Step 5: Solve for x
    x = 7,235,768,046.08/99,237.99
  6. Step 6: Final answer
    x = 72,913.29

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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.