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Finding the Fourth Proportional to 265,016.21, 365,718.51 and 144,158.47

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Solution

The fourth proportional to 265,016.21, 365,718.51 and 144,158.47 is: 198,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,016.21 : 365,718.51 = 144,158.47 : x
  2. Step 2: Convert to fraction form
    265,016.21/365,718.51 = 144,158.47/x
  3. Step 3: Cross multiply
    265,016.21x = 365,718.51 × 144,158.47
  4. Step 4: Simplify right side
    265,016.21x = 52,721,419,937.98
  5. Step 5: Solve for x
    x = 52,721,419,937.98/265,016.21
  6. Step 6: Final answer
    x = 198,936.59

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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.