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Finding the Fourth Proportional to 100,683,101.70, 141,338,979.90 and 100,683,101.70

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Solution

The fourth proportional to 100,683,101.70, 141,338,979.90 and 100,683,101.70 is: 141,338,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,683,101.70 : 141,338,979.90 = 100,683,101.70 : x
  2. Step 2: Convert to fraction form
    100,683,101.70/141,338,979.90 = 100,683,101.70/x
  3. Step 3: Cross multiply
    100,683,101.70x = 141,338,979.90 × 100,683,101.70
  4. Step 4: Simplify right side
    100,683,101.70x = 14,230,446,887,445,956
  5. Step 5: Solve for x
    x = 14,230,446,887,445,956/100,683,101.70
  6. Step 6: Final answer
    x = 141,338,979.90

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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.