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Finding the Fourth Proportional to 148,633.68, 205,185 and 94,213

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Solution

The fourth proportional to 148,633.68, 205,185 and 94,213 is: 130,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,633.68 : 205,185 = 94,213 : x
  2. Step 2: Convert to fraction form
    148,633.68/205,185 = 94,213/x
  3. Step 3: Cross multiply
    148,633.68x = 205,185 × 94,213
  4. Step 4: Simplify right side
    148,633.68x = 19,331,094,405
  5. Step 5: Solve for x
    x = 19,331,094,405/148,633.68
  6. Step 6: Final answer
    x = 130,058.64

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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.