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Finding the Fourth Proportional to 242,676, 364,085.82 and 124,430.31

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Solution

The fourth proportional to 242,676, 364,085.82 and 124,430.31 is: 186,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,676 : 364,085.82 = 124,430.31 : x
  2. Step 2: Convert to fraction form
    242,676/364,085.82 = 124,430.31/x
  3. Step 3: Cross multiply
    242,676x = 364,085.82 × 124,430.31
  4. Step 4: Simplify right side
    242,676x = 45,303,311,449.20
  5. Step 5: Solve for x
    x = 45,303,311,449.20/242,676
  6. Step 6: Final answer
    x = 186,682.29

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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.