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Finding the Fourth Proportional to 114,870.70, 172,235.48 and 44,668.18

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Solution

The fourth proportional to 114,870.70, 172,235.48 and 44,668.18 is: 66,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.70 : 172,235.48 = 44,668.18 : x
  2. Step 2: Convert to fraction form
    114,870.70/172,235.48 = 44,668.18/x
  3. Step 3: Cross multiply
    114,870.70x = 172,235.48 × 44,668.18
  4. Step 4: Simplify right side
    114,870.70x = 7,693,445,423.03
  5. Step 5: Solve for x
    x = 7,693,445,423.03/114,870.70
  6. Step 6: Final answer
    x = 66,974.83

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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.