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Finding the Fourth Proportional to 201,015.86, 277,531.68 and 124,616.60

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Solution

The fourth proportional to 201,015.86, 277,531.68 and 124,616.60 is: 172,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,015.86 : 277,531.68 = 124,616.60 : x
  2. Step 2: Convert to fraction form
    201,015.86/277,531.68 = 124,616.60/x
  3. Step 3: Cross multiply
    201,015.86x = 277,531.68 × 124,616.60
  4. Step 4: Simplify right side
    201,015.86x = 34,585,054,353.89
  5. Step 5: Solve for x
    x = 34,585,054,353.89/201,015.86
  6. Step 6: Final answer
    x = 172,051.37

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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.