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Finding the Fourth Proportional to 144,508.01, 199,488 and 84,056.63

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Solution

The fourth proportional to 144,508.01, 199,488 and 84,056.63 is: 116,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,508.01 : 199,488 = 84,056.63 : x
  2. Step 2: Convert to fraction form
    144,508.01/199,488 = 84,056.63/x
  3. Step 3: Cross multiply
    144,508.01x = 199,488 × 84,056.63
  4. Step 4: Simplify right side
    144,508.01x = 16,768,288,008
  5. Step 5: Solve for x
    x = 16,768,288,008/144,508.01
  6. Step 6: Final answer
    x = 116,037.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.