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Finding the Fourth Proportional to 295,081.40, 442,794.90 and 108,111.80

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Solution

The fourth proportional to 295,081.40, 442,794.90 and 108,111.80 is: 162,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,081.40 : 442,794.90 = 108,111.80 : x
  2. Step 2: Convert to fraction form
    295,081.40/442,794.90 = 108,111.80/x
  3. Step 3: Cross multiply
    295,081.40x = 442,794.90 × 108,111.80
  4. Step 4: Simplify right side
    295,081.40x = 47,871,353,669.82
  5. Step 5: Solve for x
    x = 47,871,353,669.82/295,081.40
  6. Step 6: Final answer
    x = 162,231.01

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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.