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Finding the Fourth Proportional to 94,294.41, 130,125.12 and 70,203

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Solution

The fourth proportional to 94,294.41, 130,125.12 and 70,203 is: 96,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,294.41 : 130,125.12 = 70,203 : x
  2. Step 2: Convert to fraction form
    94,294.41/130,125.12 = 70,203/x
  3. Step 3: Cross multiply
    94,294.41x = 130,125.12 × 70,203
  4. Step 4: Simplify right side
    94,294.41x = 9,135,173,799.36
  5. Step 5: Solve for x
    x = 9,135,173,799.36/94,294.41
  6. Step 6: Final answer
    x = 96,879.27

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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.