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Finding the Fourth Proportional to 116,825.79, 175,238.70 and 36,871.84

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Solution

The fourth proportional to 116,825.79, 175,238.70 and 36,871.84 is: 55,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,825.79 : 175,238.70 = 36,871.84 : x
  2. Step 2: Convert to fraction form
    116,825.79/175,238.70 = 36,871.84/x
  3. Step 3: Cross multiply
    116,825.79x = 175,238.70 × 36,871.84
  4. Step 4: Simplify right side
    116,825.79x = 6,461,373,308.21
  5. Step 5: Solve for x
    x = 6,461,373,308.21/116,825.79
  6. Step 6: Final answer
    x = 55,307.76

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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.