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Finding the Fourth Proportional to 295,134.20, 442,701.30 and 73,518.20

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Solution

The fourth proportional to 295,134.20, 442,701.30 and 73,518.20 is: 110,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,134.20 : 442,701.30 = 73,518.20 : x
  2. Step 2: Convert to fraction form
    295,134.20/442,701.30 = 73,518.20/x
  3. Step 3: Cross multiply
    295,134.20x = 442,701.30 × 73,518.20
  4. Step 4: Simplify right side
    295,134.20x = 32,546,602,713.66
  5. Step 5: Solve for x
    x = 32,546,602,713.66/295,134.20
  6. Step 6: Final answer
    x = 110,277.30

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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.