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Finding the Fourth Proportional to 242,055.20, 362,823.60 and 108,912.80

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Solution

The fourth proportional to 242,055.20, 362,823.60 and 108,912.80 is: 163,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,055.20 : 362,823.60 = 108,912.80 : x
  2. Step 2: Convert to fraction form
    242,055.20/362,823.60 = 108,912.80/x
  3. Step 3: Cross multiply
    242,055.20x = 362,823.60 × 108,912.80
  4. Step 4: Simplify right side
    242,055.20x = 39,516,134,182.08
  5. Step 5: Solve for x
    x = 39,516,134,182.08/242,055.20
  6. Step 6: Final answer
    x = 163,252.57

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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.