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Finding the Fourth Proportional to 149,677,926.90, 209,952,205.50 and 149,677,926.90

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Solution

The fourth proportional to 149,677,926.90, 209,952,205.50 and 149,677,926.90 is: 209,952,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,677,926.90 : 209,952,205.50 = 149,677,926.90 : x
  2. Step 2: Convert to fraction form
    149,677,926.90/209,952,205.50 = 149,677,926.90/x
  3. Step 3: Cross multiply
    149,677,926.90x = 209,952,205.50 × 149,677,926.90
  4. Step 4: Simplify right side
    149,677,926.90x = 31,425,210,867,322,780
  5. Step 5: Solve for x
    x = 31,425,210,867,322,780/149,677,926.90
  6. Step 6: Final answer
    x = 209,952,205.50

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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.