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Finding the Fourth Proportional to 165,657.62, 248,515.65 and 60,623.30

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Solution

The fourth proportional to 165,657.62, 248,515.65 and 60,623.30 is: 90,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,657.62 : 248,515.65 = 60,623.30 : x
  2. Step 2: Convert to fraction form
    165,657.62/248,515.65 = 60,623.30/x
  3. Step 3: Cross multiply
    165,657.62x = 248,515.65 × 60,623.30
  4. Step 4: Simplify right side
    165,657.62x = 15,065,838,804.65
  5. Step 5: Solve for x
    x = 15,065,838,804.65/165,657.62
  6. Step 6: Final answer
    x = 90,945.64

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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.