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Finding the Fourth Proportional to 124,295.40, 186,467.40 and 49,402.80

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Solution

The fourth proportional to 124,295.40, 186,467.40 and 49,402.80 is: 74,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,295.40 : 186,467.40 = 49,402.80 : x
  2. Step 2: Convert to fraction form
    124,295.40/186,467.40 = 49,402.80/x
  3. Step 3: Cross multiply
    124,295.40x = 186,467.40 × 49,402.80
  4. Step 4: Simplify right side
    124,295.40x = 9,212,011,668.72
  5. Step 5: Solve for x
    x = 9,212,011,668.72/124,295.40
  6. Step 6: Final answer
    x = 74,113.86

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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.