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Finding the Fourth Proportional to 141,903.84, 212,889.12 and 48,409.92

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Solution

The fourth proportional to 141,903.84, 212,889.12 and 48,409.92 is: 72,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.84 : 212,889.12 = 48,409.92 : x
  2. Step 2: Convert to fraction form
    141,903.84/212,889.12 = 48,409.92/x
  3. Step 3: Cross multiply
    141,903.84x = 212,889.12 × 48,409.92
  4. Step 4: Simplify right side
    141,903.84x = 10,305,945,268.07
  5. Step 5: Solve for x
    x = 10,305,945,268.07/141,903.84
  6. Step 6: Final answer
    x = 72,626.26

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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.