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Finding the Fourth Proportional to 200,417.64, 276,621.72 and 124,951.56

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Solution

The fourth proportional to 200,417.64, 276,621.72 and 124,951.56 is: 172,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,417.64 : 276,621.72 = 124,951.56 : x
  2. Step 2: Convert to fraction form
    200,417.64/276,621.72 = 124,951.56/x
  3. Step 3: Cross multiply
    200,417.64x = 276,621.72 × 124,951.56
  4. Step 4: Simplify right side
    200,417.64x = 34,564,315,443.88
  5. Step 5: Solve for x
    x = 34,564,315,443.88/200,417.64
  6. Step 6: Final answer
    x = 172,461.44

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1.5x scale

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.