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Finding the Fourth Proportional to 211,158.70, 291,398.52 and 114,362.26

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Solution

The fourth proportional to 211,158.70, 291,398.52 and 114,362.26 is: 157,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,158.70 : 291,398.52 = 114,362.26 : x
  2. Step 2: Convert to fraction form
    211,158.70/291,398.52 = 114,362.26/x
  3. Step 3: Cross multiply
    211,158.70x = 291,398.52 × 114,362.26
  4. Step 4: Simplify right side
    211,158.70x = 33,324,993,307.86
  5. Step 5: Solve for x
    x = 33,324,993,307.86/211,158.70
  6. Step 6: Final answer
    x = 157,819.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.