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Finding the Fourth Proportional to 140,454,026.49, 210,681,039.73 and 140,454,026.49

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Solution

The fourth proportional to 140,454,026.49, 210,681,039.73 and 140,454,026.49 is: 210,681,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454,026.49 : 210,681,039.73 = 140,454,026.49 : x
  2. Step 2: Convert to fraction form
    140,454,026.49/210,681,039.73 = 140,454,026.49/x
  3. Step 3: Cross multiply
    140,454,026.49x = 210,681,039.73 × 140,454,026.49
  4. Step 4: Simplify right side
    140,454,026.49x = 29,591,000,335,178,164
  5. Step 5: Solve for x
    x = 29,591,000,335,178,164/140,454,026.49
  6. Step 6: Final answer
    x = 210,681,039.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.