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Finding the Fourth Proportional to 133,901.84, 184,781.26 and 74,964.59

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Solution

The fourth proportional to 133,901.84, 184,781.26 and 74,964.59 is: 103,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,901.84 : 184,781.26 = 74,964.59 : x
  2. Step 2: Convert to fraction form
    133,901.84/184,781.26 = 74,964.59/x
  3. Step 3: Cross multiply
    133,901.84x = 184,781.26 × 74,964.59
  4. Step 4: Simplify right side
    133,901.84x = 13,852,050,471.68
  5. Step 5: Solve for x
    x = 13,852,050,471.68/133,901.84
  6. Step 6: Final answer
    x = 103,449.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.