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Finding the Fourth Proportional to 295,141.44, 442,558.44 and 105,528.72

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Solution

The fourth proportional to 295,141.44, 442,558.44 and 105,528.72 is: 158,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,141.44 : 442,558.44 = 105,528.72 : x
  2. Step 2: Convert to fraction form
    295,141.44/442,558.44 = 105,528.72/x
  3. Step 3: Cross multiply
    295,141.44x = 442,558.44 × 105,528.72
  4. Step 4: Simplify right side
    295,141.44x = 46,702,625,698.40
  5. Step 5: Solve for x
    x = 46,702,625,698.40/295,141.44
  6. Step 6: Final answer
    x = 158,238.12

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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.