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Finding the Fourth Proportional to 94,151.94, 129,929.60 and 51,713.22

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Solution

The fourth proportional to 94,151.94, 129,929.60 and 51,713.22 is: 71,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,151.94 : 129,929.60 = 51,713.22 : x
  2. Step 2: Convert to fraction form
    94,151.94/129,929.60 = 51,713.22/x
  3. Step 3: Cross multiply
    94,151.94x = 129,929.60 × 51,713.22
  4. Step 4: Simplify right side
    94,151.94x = 6,719,077,989.31
  5. Step 5: Solve for x
    x = 6,719,077,989.31/94,151.94
  6. Step 6: Final answer
    x = 71,364.20

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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.