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Finding the Fourth Proportional to 201,522.60, 277,912.39 and 125,054.10

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Solution

The fourth proportional to 201,522.60, 277,912.39 and 125,054.10 is: 172,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,522.60 : 277,912.39 = 125,054.10 : x
  2. Step 2: Convert to fraction form
    201,522.60/277,912.39 = 125,054.10/x
  3. Step 3: Cross multiply
    201,522.60x = 277,912.39 × 125,054.10
  4. Step 4: Simplify right side
    201,522.60x = 34,754,083,810.30
  5. Step 5: Solve for x
    x = 34,754,083,810.30/201,522.60
  6. Step 6: Final answer
    x = 172,457.50

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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.