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Finding the Fourth Proportional to 294,866.44, 442,187.43 and 105,291.52

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Solution

The fourth proportional to 294,866.44, 442,187.43 and 105,291.52 is: 157,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,866.44 : 442,187.43 = 105,291.52 : x
  2. Step 2: Convert to fraction form
    294,866.44/442,187.43 = 105,291.52/x
  3. Step 3: Cross multiply
    294,866.44x = 442,187.43 × 105,291.52
  4. Step 4: Simplify right side
    294,866.44x = 46,558,586,629.59
  5. Step 5: Solve for x
    x = 46,558,586,629.59/294,866.44
  6. Step 6: Final answer
    x = 157,897.20

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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.