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Finding the Fourth Proportional to 124,570.37, 186,765.03 and 49,668.05

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Solution

The fourth proportional to 124,570.37, 186,765.03 and 49,668.05 is: 74,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,570.37 : 186,765.03 = 49,668.05 : x
  2. Step 2: Convert to fraction form
    124,570.37/186,765.03 = 49,668.05/x
  3. Step 3: Cross multiply
    124,570.37x = 186,765.03 × 49,668.05
  4. Step 4: Simplify right side
    124,570.37x = 9,276,253,914.47
  5. Step 5: Solve for x
    x = 9,276,253,914.47/124,570.37
  6. Step 6: Final answer
    x = 74,465.98

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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.