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Finding the Fourth Proportional to 114,950, 172,425.04 and 36,070.40

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Solution

The fourth proportional to 114,950, 172,425.04 and 36,070.40 is: 54,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,950 : 172,425.04 = 36,070.40 : x
  2. Step 2: Convert to fraction form
    114,950/172,425.04 = 36,070.40/x
  3. Step 3: Cross multiply
    114,950x = 172,425.04 × 36,070.40
  4. Step 4: Simplify right side
    114,950x = 6,219,440,162.82
  5. Step 5: Solve for x
    x = 6,219,440,162.82/114,950
  6. Step 6: Final answer
    x = 54,105.61

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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.