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Finding the Fourth Proportional to 101,951.20, 143,026.93 and 101,951.20

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Solution

The fourth proportional to 101,951.20, 143,026.93 and 101,951.20 is: 143,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,951.20 : 143,026.93 = 101,951.20 : x
  2. Step 2: Convert to fraction form
    101,951.20/143,026.93 = 101,951.20/x
  3. Step 3: Cross multiply
    101,951.20x = 143,026.93 × 101,951.20
  4. Step 4: Simplify right side
    101,951.20x = 14,581,766,636.06
  5. Step 5: Solve for x
    x = 14,581,766,636.06/101,951.20
  6. Step 6: Final answer
    x = 143,026.93

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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.