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Finding the Fourth Proportional to 118,514,958.30, 166,034,315.70 and 118,514,958.30

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Solution

The fourth proportional to 118,514,958.30, 166,034,315.70 and 118,514,958.30 is: 166,034,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514,958.30 : 166,034,315.70 = 118,514,958.30 : x
  2. Step 2: Convert to fraction form
    118,514,958.30/166,034,315.70 = 118,514,958.30/x
  3. Step 3: Cross multiply
    118,514,958.30x = 166,034,315.70 × 118,514,958.30
  4. Step 4: Simplify right side
    118,514,958.30x = 19,677,550,001,554,532
  5. Step 5: Solve for x
    x = 19,677,550,001,554,532/118,514,958.30
  6. Step 6: Final answer
    x = 166,034,315.70

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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.