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Finding the Fourth Proportional to 213,000,308.80, 319,248,520.80 and 110,711,694.40

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Solution

The fourth proportional to 213,000,308.80, 319,248,520.80 and 110,711,694.40 is: 165,936,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,000,308.80 : 319,248,520.80 = 110,711,694.40 : x
  2. Step 2: Convert to fraction form
    213,000,308.80/319,248,520.80 = 110,711,694.40/x
  3. Step 3: Cross multiply
    213,000,308.80x = 319,248,520.80 × 110,711,694.40
  4. Step 4: Simplify right side
    213,000,308.80x = 35,344,544,672,461,648
  5. Step 5: Solve for x
    x = 35,344,544,672,461,648/213,000,308.80
  6. Step 6: Final answer
    x = 165,936,588.88

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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.