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Finding the Fourth Proportional to 295,284.88, 442,879.93 and 105,710.05

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Solution

The fourth proportional to 295,284.88, 442,879.93 and 105,710.05 is: 158,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,284.88 : 442,879.93 = 105,710.05 : x
  2. Step 2: Convert to fraction form
    295,284.88/442,879.93 = 105,710.05/x
  3. Step 3: Cross multiply
    295,284.88x = 442,879.93 × 105,710.05
  4. Step 4: Simplify right side
    295,284.88x = 46,816,859,544.30
  5. Step 5: Solve for x
    x = 46,816,859,544.30/295,284.88
  6. Step 6: Final answer
    x = 158,548.11

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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.