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Finding the Fourth Proportional to 144,958.17, 200,041.74 and 81,296.22

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Solution

The fourth proportional to 144,958.17, 200,041.74 and 81,296.22 is: 112,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,958.17 : 200,041.74 = 81,296.22 : x
  2. Step 2: Convert to fraction form
    144,958.17/200,041.74 = 81,296.22/x
  3. Step 3: Cross multiply
    144,958.17x = 200,041.74 × 81,296.22
  4. Step 4: Simplify right side
    144,958.17x = 16,262,637,304.22
  5. Step 5: Solve for x
    x = 16,262,637,304.22/144,958.17
  6. Step 6: Final answer
    x = 112,188.48

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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.