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Finding the Fourth Proportional to 144,005.90, 201,141.70 and 144,005.90

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Solution

The fourth proportional to 144,005.90, 201,141.70 and 144,005.90 is: 201,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.90 : 201,141.70 = 144,005.90 : x
  2. Step 2: Convert to fraction form
    144,005.90/201,141.70 = 144,005.90/x
  3. Step 3: Cross multiply
    144,005.90x = 201,141.70 × 144,005.90
  4. Step 4: Simplify right side
    144,005.90x = 28,965,591,536.03
  5. Step 5: Solve for x
    x = 28,965,591,536.03/144,005.90
  6. Step 6: Final answer
    x = 201,141.70

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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.