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Finding the Fourth Proportional to 124,601.50, 186,980.02 and 50,729.50

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Solution

The fourth proportional to 124,601.50, 186,980.02 and 50,729.50 is: 76,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,601.50 : 186,980.02 = 50,729.50 : x
  2. Step 2: Convert to fraction form
    124,601.50/186,980.02 = 50,729.50/x
  3. Step 3: Cross multiply
    124,601.50x = 186,980.02 × 50,729.50
  4. Step 4: Simplify right side
    124,601.50x = 9,485,402,924.59
  5. Step 5: Solve for x
    x = 9,485,402,924.59/124,601.50
  6. Step 6: Final answer
    x = 76,125.91

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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.