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Finding the Fourth Proportional to 94,959.69, 142,397.97 and 45,054.01

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Solution

The fourth proportional to 94,959.69, 142,397.97 and 45,054.01 is: 67,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,959.69 : 142,397.97 = 45,054.01 : x
  2. Step 2: Convert to fraction form
    94,959.69/142,397.97 = 45,054.01/x
  3. Step 3: Cross multiply
    94,959.69x = 142,397.97 × 45,054.01
  4. Step 4: Simplify right side
    94,959.69x = 6,415,599,564.36
  5. Step 5: Solve for x
    x = 6,415,599,564.36/94,959.69
  6. Step 6: Final answer
    x = 67,561.29

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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.