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Finding the Fourth Proportional to 144,903.40, 203,003 and 144,903.40

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Solution

The fourth proportional to 144,903.40, 203,003 and 144,903.40 is: 203,003

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,903.40 : 203,003 = 144,903.40 : x
  2. Step 2: Convert to fraction form
    144,903.40/203,003 = 144,903.40/x
  3. Step 3: Cross multiply
    144,903.40x = 203,003 × 144,903.40
  4. Step 4: Simplify right side
    144,903.40x = 29,415,824,910.20
  5. Step 5: Solve for x
    x = 29,415,824,910.20/144,903.40
  6. Step 6: Final answer
    x = 203,003

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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.