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Finding the Fourth Proportional to 250,068.85, 374,828.08 and 123,521.74

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Solution

The fourth proportional to 250,068.85, 374,828.08 and 123,521.74 is: 185,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,068.85 : 374,828.08 = 123,521.74 : x
  2. Step 2: Convert to fraction form
    250,068.85/374,828.08 = 123,521.74/x
  3. Step 3: Cross multiply
    250,068.85x = 374,828.08 × 123,521.74
  4. Step 4: Simplify right side
    250,068.85x = 46,299,416,333.65
  5. Step 5: Solve for x
    x = 46,299,416,333.65/250,068.85
  6. Step 6: Final answer
    x = 185,146.68

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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.