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Finding the Fourth Proportional to 367,102.40, 549,962.40 and 189,003.20

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Solution

The fourth proportional to 367,102.40, 549,962.40 and 189,003.20 is: 283,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,102.40 : 549,962.40 = 189,003.20 : x
  2. Step 2: Convert to fraction form
    367,102.40/549,962.40 = 189,003.20/x
  3. Step 3: Cross multiply
    367,102.40x = 549,962.40 × 189,003.20
  4. Step 4: Simplify right side
    367,102.40x = 103,944,653,479.68
  5. Step 5: Solve for x
    x = 103,944,653,479.68/367,102.40
  6. Step 6: Final answer
    x = 283,148.93

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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.