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Finding the Fourth Proportional to 201,059.04, 277,450.65 and 115,019.73

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Solution

The fourth proportional to 201,059.04, 277,450.65 and 115,019.73 is: 158,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,059.04 : 277,450.65 = 115,019.73 : x
  2. Step 2: Convert to fraction form
    201,059.04/277,450.65 = 115,019.73/x
  3. Step 3: Cross multiply
    201,059.04x = 277,450.65 × 115,019.73
  4. Step 4: Simplify right side
    201,059.04x = 31,912,298,851.32
  5. Step 5: Solve for x
    x = 31,912,298,851.32/201,059.04
  6. Step 6: Final answer
    x = 158,721.03

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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.