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Finding the Fourth Proportional to 104,941, 144,816.78 and 57,194.92

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Solution

The fourth proportional to 104,941, 144,816.78 and 57,194.92 is: 78,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,941 : 144,816.78 = 57,194.92 : x
  2. Step 2: Convert to fraction form
    104,941/144,816.78 = 57,194.92/x
  3. Step 3: Cross multiply
    104,941x = 144,816.78 × 57,194.92
  4. Step 4: Simplify right side
    104,941x = 8,282,784,146.76
  5. Step 5: Solve for x
    x = 8,282,784,146.76/104,941
  6. Step 6: Final answer
    x = 78,928.01

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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.