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Finding the Fourth Proportional to 144,798.88, 217,261.68 and 65,921.44

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Solution

The fourth proportional to 144,798.88, 217,261.68 and 65,921.44 is: 98,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,798.88 : 217,261.68 = 65,921.44 : x
  2. Step 2: Convert to fraction form
    144,798.88/217,261.68 = 65,921.44/x
  3. Step 3: Cross multiply
    144,798.88x = 217,261.68 × 65,921.44
  4. Step 4: Simplify right side
    144,798.88x = 14,322,202,802.42
  5. Step 5: Solve for x
    x = 14,322,202,802.42/144,798.88
  6. Step 6: Final answer
    x = 98,911.01

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1.5x scale

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.