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Finding the Fourth Proportional to 200,343.21, 300,037.75 and 115,925.46

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Solution

The fourth proportional to 200,343.21, 300,037.75 and 115,925.46 is: 173,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,343.21 : 300,037.75 = 115,925.46 : x
  2. Step 2: Convert to fraction form
    200,343.21/300,037.75 = 115,925.46/x
  3. Step 3: Cross multiply
    200,343.21x = 300,037.75 × 115,925.46
  4. Step 4: Simplify right side
    200,343.21x = 34,782,013,606.49
  5. Step 5: Solve for x
    x = 34,782,013,606.49/200,343.21
  6. Step 6: Final answer
    x = 173,612.15

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1.5x scale

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.