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Finding the Fourth Proportional to 122,570.63, 183,685.84 and 55,847.69

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Solution

The fourth proportional to 122,570.63, 183,685.84 and 55,847.69 is: 83,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570.63 : 183,685.84 = 55,847.69 : x
  2. Step 2: Convert to fraction form
    122,570.63/183,685.84 = 55,847.69/x
  3. Step 3: Cross multiply
    122,570.63x = 183,685.84 × 55,847.69
  4. Step 4: Simplify right side
    122,570.63x = 10,258,429,849.71
  5. Step 5: Solve for x
    x = 10,258,429,849.71/122,570.63
  6. Step 6: Final answer
    x = 83,694.03

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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.