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Finding the Fourth Proportional to 99,145.66, 148,720.41 and 24,266.45

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Solution

The fourth proportional to 99,145.66, 148,720.41 and 24,266.45 is: 36,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,145.66 : 148,720.41 = 24,266.45 : x
  2. Step 2: Convert to fraction form
    99,145.66/148,720.41 = 24,266.45/x
  3. Step 3: Cross multiply
    99,145.66x = 148,720.41 × 24,266.45
  4. Step 4: Simplify right side
    99,145.66x = 3,608,916,271.91
  5. Step 5: Solve for x
    x = 3,608,916,271.91/99,145.66
  6. Step 6: Final answer
    x = 36,400.15

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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.