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Finding the Fourth Proportional to 124,004.50, 186,006.84 and 40,898.50

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Solution

The fourth proportional to 124,004.50, 186,006.84 and 40,898.50 is: 61,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,004.50 : 186,006.84 = 40,898.50 : x
  2. Step 2: Convert to fraction form
    124,004.50/186,006.84 = 40,898.50/x
  3. Step 3: Cross multiply
    124,004.50x = 186,006.84 × 40,898.50
  4. Step 4: Simplify right side
    124,004.50x = 7,607,400,745.74
  5. Step 5: Solve for x
    x = 7,607,400,745.74/124,004.50
  6. Step 6: Final answer
    x = 61,347.78

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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.