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Finding the Fourth Proportional to 136,955.63, 205,433.51 and 43,461.38

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Solution

The fourth proportional to 136,955.63, 205,433.51 and 43,461.38 is: 65,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955.63 : 205,433.51 = 43,461.38 : x
  2. Step 2: Convert to fraction form
    136,955.63/205,433.51 = 43,461.38/x
  3. Step 3: Cross multiply
    136,955.63x = 205,433.51 × 43,461.38
  4. Step 4: Simplify right side
    136,955.63x = 8,928,422,598.37
  5. Step 5: Solve for x
    x = 8,928,422,598.37/136,955.63
  6. Step 6: Final answer
    x = 65,192.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.