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Finding the Fourth Proportional to 200,541.78, 300,812.67 and 95,303.34

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Solution

The fourth proportional to 200,541.78, 300,812.67 and 95,303.34 is: 142,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,541.78 : 300,812.67 = 95,303.34 : x
  2. Step 2: Convert to fraction form
    200,541.78/300,812.67 = 95,303.34/x
  3. Step 3: Cross multiply
    200,541.78x = 300,812.67 × 95,303.34
  4. Step 4: Simplify right side
    200,541.78x = 28,668,452,165.32
  5. Step 5: Solve for x
    x = 28,668,452,165.32/200,541.78
  6. Step 6: Final answer
    x = 142,955.01

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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.