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Finding the Fourth Proportional to 200,253.15, 300,048.02 and 140,798.34

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Solution

The fourth proportional to 200,253.15, 300,048.02 and 140,798.34 is: 210,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,253.15 : 300,048.02 = 140,798.34 : x
  2. Step 2: Convert to fraction form
    200,253.15/300,048.02 = 140,798.34/x
  3. Step 3: Cross multiply
    200,253.15x = 300,048.02 × 140,798.34
  4. Step 4: Simplify right side
    200,253.15x = 42,246,262,432.30
  5. Step 5: Solve for x
    x = 42,246,262,432.30/200,253.15
  6. Step 6: Final answer
    x = 210,964.28

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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.