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Finding the Fourth Proportional to 200,596.63, 276,851.70 and 124,140.35

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Solution

The fourth proportional to 200,596.63, 276,851.70 and 124,140.35 is: 171,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596.63 : 276,851.70 = 124,140.35 : x
  2. Step 2: Convert to fraction form
    200,596.63/276,851.70 = 124,140.35/x
  3. Step 3: Cross multiply
    200,596.63x = 276,851.70 × 124,140.35
  4. Step 4: Simplify right side
    200,596.63x = 34,368,465,721.79
  5. Step 5: Solve for x
    x = 34,368,465,721.79/200,596.63
  6. Step 6: Final answer
    x = 171,331.22

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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.