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Finding the Fourth Proportional to 180,210.87, 248,684.74 and 98,541.05

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Solution

The fourth proportional to 180,210.87, 248,684.74 and 98,541.05 is: 135,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,210.87 : 248,684.74 = 98,541.05 : x
  2. Step 2: Convert to fraction form
    180,210.87/248,684.74 = 98,541.05/x
  3. Step 3: Cross multiply
    180,210.87x = 248,684.74 × 98,541.05
  4. Step 4: Simplify right side
    180,210.87x = 24,505,653,908.80
  5. Step 5: Solve for x
    x = 24,505,653,908.80/180,210.87
  6. Step 6: Final answer
    x = 135,983.22

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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.