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Finding the Fourth Proportional to 158,567.94, 237,904.79 and 105,469.26

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Solution

The fourth proportional to 158,567.94, 237,904.79 and 105,469.26 is: 158,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,567.94 : 237,904.79 = 105,469.26 : x
  2. Step 2: Convert to fraction form
    158,567.94/237,904.79 = 105,469.26/x
  3. Step 3: Cross multiply
    158,567.94x = 237,904.79 × 105,469.26
  4. Step 4: Simplify right side
    158,567.94x = 25,091,641,028.15
  5. Step 5: Solve for x
    x = 25,091,641,028.15/158,567.94
  6. Step 6: Final answer
    x = 158,239.05

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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.