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Finding the Fourth Proportional to 174,699.99, 261,838.58 and 124,019.30

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Solution

The fourth proportional to 174,699.99, 261,838.58 and 124,019.30 is: 185,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,699.99 : 261,838.58 = 124,019.30 : x
  2. Step 2: Convert to fraction form
    174,699.99/261,838.58 = 124,019.30/x
  3. Step 3: Cross multiply
    174,699.99x = 261,838.58 × 124,019.30
  4. Step 4: Simplify right side
    174,699.99x = 32,473,037,439.09
  5. Step 5: Solve for x
    x = 32,473,037,439.09/174,699.99
  6. Step 6: Final answer
    x = 185,878.87

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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.