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Finding the Fourth Proportional to 115,752.71, 173,661.94 and 36,873.02

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Solution

The fourth proportional to 115,752.71, 173,661.94 and 36,873.02 is: 55,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,752.71 : 173,661.94 = 36,873.02 : x
  2. Step 2: Convert to fraction form
    115,752.71/173,661.94 = 36,873.02/x
  3. Step 3: Cross multiply
    115,752.71x = 173,661.94 × 36,873.02
  4. Step 4: Simplify right side
    115,752.71x = 6,403,440,667.10
  5. Step 5: Solve for x
    x = 6,403,440,667.10/115,752.71
  6. Step 6: Final answer
    x = 55,320.01

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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.