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Finding the Fourth Proportional to 143,860.10, 201,141.70 and 143,860.10

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Solution

The fourth proportional to 143,860.10, 201,141.70 and 143,860.10 is: 201,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,860.10 : 201,141.70 = 143,860.10 : x
  2. Step 2: Convert to fraction form
    143,860.10/201,141.70 = 143,860.10/x
  3. Step 3: Cross multiply
    143,860.10x = 201,141.70 × 143,860.10
  4. Step 4: Simplify right side
    143,860.10x = 28,936,265,076.17
  5. Step 5: Solve for x
    x = 28,936,265,076.17/143,860.10
  6. Step 6: Final answer
    x = 201,141.70

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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.