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Finding the Fourth Proportional to 151,804.94, 227,715.60 and 39,485.40

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Solution

The fourth proportional to 151,804.94, 227,715.60 and 39,485.40 is: 59,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,804.94 : 227,715.60 = 39,485.40 : x
  2. Step 2: Convert to fraction form
    151,804.94/227,715.60 = 39,485.40/x
  3. Step 3: Cross multiply
    151,804.94x = 227,715.60 × 39,485.40
  4. Step 4: Simplify right side
    151,804.94x = 8,991,441,486.83
  5. Step 5: Solve for x
    x = 8,991,441,486.83/151,804.94
  6. Step 6: Final answer
    x = 59,230.23

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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.