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Finding the Fourth Proportional to 236,224.81, 354,264.47 and 67,699.95

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Solution

The fourth proportional to 236,224.81, 354,264.47 and 67,699.95 is: 101,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,224.81 : 354,264.47 = 67,699.95 : x
  2. Step 2: Convert to fraction form
    236,224.81/354,264.47 = 67,699.95/x
  3. Step 3: Cross multiply
    236,224.81x = 354,264.47 × 67,699.95
  4. Step 4: Simplify right side
    236,224.81x = 23,983,686,905.78
  5. Step 5: Solve for x
    x = 23,983,686,905.78/236,224.81
  6. Step 6: Final answer
    x = 101,529.08

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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.