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Finding the Fourth Proportional to 158,094.45, 218,167.96 and 94,419.94

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Solution

The fourth proportional to 158,094.45, 218,167.96 and 94,419.94 is: 130,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,094.45 : 218,167.96 = 94,419.94 : x
  2. Step 2: Convert to fraction form
    158,094.45/218,167.96 = 94,419.94/x
  3. Step 3: Cross multiply
    158,094.45x = 218,167.96 × 94,419.94
  4. Step 4: Simplify right side
    158,094.45x = 20,599,405,693.12
  5. Step 5: Solve for x
    x = 20,599,405,693.12/158,094.45
  6. Step 6: Final answer
    x = 130,298.10

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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.