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Finding the Fourth Proportional to 143,126.10, 200,114.10 and 143,126.10

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Solution

The fourth proportional to 143,126.10, 200,114.10 and 143,126.10 is: 200,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,126.10 : 200,114.10 = 143,126.10 : x
  2. Step 2: Convert to fraction form
    143,126.10/200,114.10 = 143,126.10/x
  3. Step 3: Cross multiply
    143,126.10x = 200,114.10 × 143,126.10
  4. Step 4: Simplify right side
    143,126.10x = 28,641,550,688.01
  5. Step 5: Solve for x
    x = 28,641,550,688.01/143,126.10
  6. Step 6: Final answer
    x = 200,114.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.