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Finding the Fourth Proportional to 207,577.49, 286,418.94 and 116,914.08

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Solution

The fourth proportional to 207,577.49, 286,418.94 and 116,914.08 is: 161,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,577.49 : 286,418.94 = 116,914.08 : x
  2. Step 2: Convert to fraction form
    207,577.49/286,418.94 = 116,914.08/x
  3. Step 3: Cross multiply
    207,577.49x = 286,418.94 × 116,914.08
  4. Step 4: Simplify right side
    207,577.49x = 33,486,407,500.32
  5. Step 5: Solve for x
    x = 33,486,407,500.32/207,577.49
  6. Step 6: Final answer
    x = 161,320.04

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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.