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Finding the Fourth Proportional to 137,476.44, 206,210.88 and 43,980.84

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Solution

The fourth proportional to 137,476.44, 206,210.88 and 43,980.84 is: 65,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,476.44 : 206,210.88 = 43,980.84 : x
  2. Step 2: Convert to fraction form
    137,476.44/206,210.88 = 43,980.84/x
  3. Step 3: Cross multiply
    137,476.44x = 206,210.88 × 43,980.84
  4. Step 4: Simplify right side
    137,476.44x = 9,069,327,719.54
  5. Step 5: Solve for x
    x = 9,069,327,719.54/137,476.44
  6. Step 6: Final answer
    x = 65,970.05

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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.