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Finding the Fourth Proportional to 101,281.40, 151,922.10 and 27,409.40

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Solution

The fourth proportional to 101,281.40, 151,922.10 and 27,409.40 is: 41,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,281.40 : 151,922.10 = 27,409.40 : x
  2. Step 2: Convert to fraction form
    101,281.40/151,922.10 = 27,409.40/x
  3. Step 3: Cross multiply
    101,281.40x = 151,922.10 × 27,409.40
  4. Step 4: Simplify right side
    101,281.40x = 4,164,093,607.74
  5. Step 5: Solve for x
    x = 4,164,093,607.74/101,281.40
  6. Step 6: Final answer
    x = 41,114.10

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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.