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Finding the Fourth Proportional to 134,076.60, 201,114.90 and 71,868.60

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Solution

The fourth proportional to 134,076.60, 201,114.90 and 71,868.60 is: 107,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,076.60 : 201,114.90 = 71,868.60 : x
  2. Step 2: Convert to fraction form
    134,076.60/201,114.90 = 71,868.60/x
  3. Step 3: Cross multiply
    134,076.60x = 201,114.90 × 71,868.60
  4. Step 4: Simplify right side
    134,076.60x = 14,453,846,302.14
  5. Step 5: Solve for x
    x = 14,453,846,302.14/134,076.60
  6. Step 6: Final answer
    x = 107,802.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.