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Finding the Fourth Proportional to 201,262.39, 277,768.37 and 129,850.16

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Solution

The fourth proportional to 201,262.39, 277,768.37 and 129,850.16 is: 179,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,262.39 : 277,768.37 = 129,850.16 : x
  2. Step 2: Convert to fraction form
    201,262.39/277,768.37 = 129,850.16/x
  3. Step 3: Cross multiply
    201,262.39x = 277,768.37 × 129,850.16
  4. Step 4: Simplify right side
    201,262.39x = 36,068,266,223.22
  5. Step 5: Solve for x
    x = 36,068,266,223.22/201,262.39
  6. Step 6: Final answer
    x = 179,210.17

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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.