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Finding the Fourth Proportional to 151,998.39, 209,621.52 and 98,227.08

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Solution

The fourth proportional to 151,998.39, 209,621.52 and 98,227.08 is: 135,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,998.39 : 209,621.52 = 98,227.08 : x
  2. Step 2: Convert to fraction form
    151,998.39/209,621.52 = 98,227.08/x
  3. Step 3: Cross multiply
    151,998.39x = 209,621.52 × 98,227.08
  4. Step 4: Simplify right side
    151,998.39x = 20,590,509,814.76
  5. Step 5: Solve for x
    x = 20,590,509,814.76/151,998.39
  6. Step 6: Final answer
    x = 135,465.32

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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.