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Finding the Fourth Proportional to 265,153.84, 365,908.46 and 145,921.84

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Solution

The fourth proportional to 265,153.84, 365,908.46 and 145,921.84 is: 201,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,153.84 : 365,908.46 = 145,921.84 : x
  2. Step 2: Convert to fraction form
    265,153.84/365,908.46 = 145,921.84/x
  3. Step 3: Cross multiply
    265,153.84x = 365,908.46 × 145,921.84
  4. Step 4: Simplify right side
    265,153.84x = 53,394,035,754.77
  5. Step 5: Solve for x
    x = 53,394,035,754.77/265,153.84
  6. Step 6: Final answer
    x = 201,370.03

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1.5x scale

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.