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Finding the Fourth Proportional to 200,411.40, 300,617.10 and 95,435.40

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Solution

The fourth proportional to 200,411.40, 300,617.10 and 95,435.40 is: 143,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,411.40 : 300,617.10 = 95,435.40 : x
  2. Step 2: Convert to fraction form
    200,411.40/300,617.10 = 95,435.40/x
  3. Step 3: Cross multiply
    200,411.40x = 300,617.10 × 95,435.40
  4. Step 4: Simplify right side
    200,411.40x = 28,689,513,185.34
  5. Step 5: Solve for x
    x = 28,689,513,185.34/200,411.40
  6. Step 6: Final answer
    x = 143,153.10

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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.