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Finding the Fourth Proportional to 294,873.60, 442,333.48 and 105,374.90

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Solution

The fourth proportional to 294,873.60, 442,333.48 and 105,374.90 is: 158,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,873.60 : 442,333.48 = 105,374.90 : x
  2. Step 2: Convert to fraction form
    294,873.60/442,333.48 = 105,374.90/x
  3. Step 3: Cross multiply
    294,873.60x = 442,333.48 × 105,374.90
  4. Step 4: Simplify right side
    294,873.60x = 46,610,846,221.65
  5. Step 5: Solve for x
    x = 46,610,846,221.65/294,873.60
  6. Step 6: Final answer
    x = 158,070.60

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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.