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Finding the Fourth Proportional to 243,367.04, 364,162.44 and 143,575.04

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Solution

The fourth proportional to 243,367.04, 364,162.44 and 143,575.04 is: 214,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,367.04 : 364,162.44 = 143,575.04 : x
  2. Step 2: Convert to fraction form
    243,367.04/364,162.44 = 143,575.04/x
  3. Step 3: Cross multiply
    243,367.04x = 364,162.44 × 143,575.04
  4. Step 4: Simplify right side
    243,367.04x = 52,284,636,889.50
  5. Step 5: Solve for x
    x = 52,284,636,889.50/243,367.04
  6. Step 6: Final answer
    x = 214,838.61

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1.5x scale

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.