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Finding the Fourth Proportional to 295,025.80, 442,538.70 and 108,110.20

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Solution

The fourth proportional to 295,025.80, 442,538.70 and 108,110.20 is: 162,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,025.80 : 442,538.70 = 108,110.20 : x
  2. Step 2: Convert to fraction form
    295,025.80/442,538.70 = 108,110.20/x
  3. Step 3: Cross multiply
    295,025.80x = 442,538.70 × 108,110.20
  4. Step 4: Simplify right side
    295,025.80x = 47,842,947,364.74
  5. Step 5: Solve for x
    x = 47,842,947,364.74/295,025.80
  6. Step 6: Final answer
    x = 162,165.30

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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.