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Finding the Fourth Proportional to 234,881.19, 352,344.46 and 66,407.01

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Solution

The fourth proportional to 234,881.19, 352,344.46 and 66,407.01 is: 99,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,881.19 : 352,344.46 = 66,407.01 : x
  2. Step 2: Convert to fraction form
    234,881.19/352,344.46 = 66,407.01/x
  3. Step 3: Cross multiply
    234,881.19x = 352,344.46 × 66,407.01
  4. Step 4: Simplify right side
    234,881.19x = 23,398,143,502.01
  5. Step 5: Solve for x
    x = 23,398,143,502.01/234,881.19
  6. Step 6: Final answer
    x = 99,616.93

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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.