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Finding the Fourth Proportional to 134,053, 184,993.14 and 74,437

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Solution

The fourth proportional to 134,053, 184,993.14 and 74,437 is: 102,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,053 : 184,993.14 = 74,437 : x
  2. Step 2: Convert to fraction form
    134,053/184,993.14 = 74,437/x
  3. Step 3: Cross multiply
    134,053x = 184,993.14 × 74,437
  4. Step 4: Simplify right side
    134,053x = 13,770,334,362.18
  5. Step 5: Solve for x
    x = 13,770,334,362.18/134,053
  6. Step 6: Final answer
    x = 102,723.06

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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.