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Finding the Fourth Proportional to 367,080.66, 549,969.21 and 153,378.12

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Solution

The fourth proportional to 367,080.66, 549,969.21 and 153,378.12 is: 229,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,080.66 : 549,969.21 = 153,378.12 : x
  2. Step 2: Convert to fraction form
    367,080.66/549,969.21 = 153,378.12/x
  3. Step 3: Cross multiply
    367,080.66x = 549,969.21 × 153,378.12
  4. Step 4: Simplify right side
    367,080.66x = 84,353,245,550.07
  5. Step 5: Solve for x
    x = 84,353,245,550.07/367,080.66
  6. Step 6: Final answer
    x = 229,794.85

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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.