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Finding the Fourth Proportional to 265,074.72, 365,812.64 and 151,919.04

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Solution

The fourth proportional to 265,074.72, 365,812.64 and 151,919.04 is: 209,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,074.72 : 365,812.64 = 151,919.04 : x
  2. Step 2: Convert to fraction form
    265,074.72/365,812.64 = 151,919.04/x
  3. Step 3: Cross multiply
    265,074.72x = 365,812.64 × 151,919.04
  4. Step 4: Simplify right side
    265,074.72x = 55,573,905,088.67
  5. Step 5: Solve for x
    x = 55,573,905,088.67/265,074.72
  6. Step 6: Final answer
    x = 209,653.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.