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Finding the Fourth Proportional to 94,292, 130,122.96 and 51,853.28

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Solution

The fourth proportional to 94,292, 130,122.96 and 51,853.28 is: 71,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,292 : 130,122.96 = 51,853.28 : x
  2. Step 2: Convert to fraction form
    94,292/130,122.96 = 51,853.28/x
  3. Step 3: Cross multiply
    94,292x = 130,122.96 × 51,853.28
  4. Step 4: Simplify right side
    94,292x = 6,747,302,279.31
  5. Step 5: Solve for x
    x = 6,747,302,279.31/94,292
  6. Step 6: Final answer
    x = 71,557.53

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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.