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Finding the Fourth Proportional to 235,484.84, 324,977.63 and 134,902.28

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Solution

The fourth proportional to 235,484.84, 324,977.63 and 134,902.28 is: 186,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.84 : 324,977.63 = 134,902.28 : x
  2. Step 2: Convert to fraction form
    235,484.84/324,977.63 = 134,902.28/x
  3. Step 3: Cross multiply
    235,484.84x = 324,977.63 × 134,902.28
  4. Step 4: Simplify right side
    235,484.84x = 43,840,222,561.49
  5. Step 5: Solve for x
    x = 43,840,222,561.49/235,484.84
  6. Step 6: Final answer
    x = 186,170.04

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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.