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Finding the Fourth Proportional to 94,221.83, 130,031.11 and 53,393.88

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Solution

The fourth proportional to 94,221.83, 130,031.11 and 53,393.88 is: 73,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.83 : 130,031.11 = 53,393.88 : x
  2. Step 2: Convert to fraction form
    94,221.83/130,031.11 = 53,393.88/x
  3. Step 3: Cross multiply
    94,221.83x = 130,031.11 × 53,393.88
  4. Step 4: Simplify right side
    94,221.83x = 6,942,864,566.48
  5. Step 5: Solve for x
    x = 6,942,864,566.48/94,221.83
  6. Step 6: Final answer
    x = 73,686.37

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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.