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Finding the Fourth Proportional to 94,218.72, 130,042.34 and 57,951.34

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Solution

The fourth proportional to 94,218.72, 130,042.34 and 57,951.34 is: 79,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,218.72 : 130,042.34 = 57,951.34 : x
  2. Step 2: Convert to fraction form
    94,218.72/130,042.34 = 57,951.34/x
  3. Step 3: Cross multiply
    94,218.72x = 130,042.34 × 57,951.34
  4. Step 4: Simplify right side
    94,218.72x = 7,536,127,757.36
  5. Step 5: Solve for x
    x = 7,536,127,757.36/94,218.72
  6. Step 6: Final answer
    x = 79,985.46

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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.