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Finding the Fourth Proportional to 114,908.15, 172,363.00 and 40,029.71

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Solution

The fourth proportional to 114,908.15, 172,363.00 and 40,029.71 is: 60,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,908.15 : 172,363.00 = 40,029.71 : x
  2. Step 2: Convert to fraction form
    114,908.15/172,363.00 = 40,029.71/x
  3. Step 3: Cross multiply
    114,908.15x = 172,363.00 × 40,029.71
  4. Step 4: Simplify right side
    114,908.15x = 6,899,641,602.01
  5. Step 5: Solve for x
    x = 6,899,641,602.01/114,908.15
  6. Step 6: Final answer
    x = 60,044.84

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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.