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Finding the Fourth Proportional to 189,248.81, 283,862.07 and 70,910.24

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Solution

The fourth proportional to 189,248.81, 283,862.07 and 70,910.24 is: 106,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,248.81 : 283,862.07 = 70,910.24 : x
  2. Step 2: Convert to fraction form
    189,248.81/283,862.07 = 70,910.24/x
  3. Step 3: Cross multiply
    189,248.81x = 283,862.07 × 70,910.24
  4. Step 4: Simplify right side
    189,248.81x = 20,128,726,091.29
  5. Step 5: Solve for x
    x = 20,128,726,091.29/189,248.81
  6. Step 6: Final answer
    x = 106,361.18

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1.5x scale

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.