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Finding the Fourth Proportional to 94,326, 130,138.11 and 64,058.82

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Solution

The fourth proportional to 94,326, 130,138.11 and 64,058.82 is: 88,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,326 : 130,138.11 = 64,058.82 : x
  2. Step 2: Convert to fraction form
    94,326/130,138.11 = 64,058.82/x
  3. Step 3: Cross multiply
    94,326x = 130,138.11 × 64,058.82
  4. Step 4: Simplify right side
    94,326x = 8,336,493,763.63
  5. Step 5: Solve for x
    x = 8,336,493,763.63/94,326
  6. Step 6: Final answer
    x = 88,379.60

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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.