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Finding the Fourth Proportional to 183,137.76, 274,707.36 and 64,809.12

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Solution

The fourth proportional to 183,137.76, 274,707.36 and 64,809.12 is: 97,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,137.76 : 274,707.36 = 64,809.12 : x
  2. Step 2: Convert to fraction form
    183,137.76/274,707.36 = 64,809.12/x
  3. Step 3: Cross multiply
    183,137.76x = 274,707.36 × 64,809.12
  4. Step 4: Simplify right side
    183,137.76x = 17,803,542,259.12
  5. Step 5: Solve for x
    x = 17,803,542,259.12/183,137.76
  6. Step 6: Final answer
    x = 97,213.93

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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.