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Finding the Fourth Proportional to 94,959.70, 142,322.91 and 53,319.22

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Solution

The fourth proportional to 94,959.70, 142,322.91 and 53,319.22 is: 79,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,959.70 : 142,322.91 = 53,319.22 : x
  2. Step 2: Convert to fraction form
    94,959.70/142,322.91 = 53,319.22/x
  3. Step 3: Cross multiply
    94,959.70x = 142,322.91 × 53,319.22
  4. Step 4: Simplify right side
    94,959.70x = 7,588,546,549.33
  5. Step 5: Solve for x
    x = 7,588,546,549.33/94,959.70
  6. Step 6: Final answer
    x = 79,913.34

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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.