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Finding the Fourth Proportional to 234,539.76, 351,809.64 and 66,060.12

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Solution

The fourth proportional to 234,539.76, 351,809.64 and 66,060.12 is: 99,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,539.76 : 351,809.64 = 66,060.12 : x
  2. Step 2: Convert to fraction form
    234,539.76/351,809.64 = 66,060.12/x
  3. Step 3: Cross multiply
    234,539.76x = 351,809.64 × 66,060.12
  4. Step 4: Simplify right side
    234,539.76x = 23,240,587,035.56
  5. Step 5: Solve for x
    x = 23,240,587,035.56/234,539.76
  6. Step 6: Final answer
    x = 99,090.18

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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.