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Finding the Fourth Proportional to 149,783,950.10, 210,302,191.90 and 149,783,950.10

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Solution

The fourth proportional to 149,783,950.10, 210,302,191.90 and 149,783,950.10 is: 210,302,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,783,950.10 : 210,302,191.90 = 149,783,950.10 : x
  2. Step 2: Convert to fraction form
    149,783,950.10/210,302,191.90 = 149,783,950.10/x
  3. Step 3: Cross multiply
    149,783,950.10x = 210,302,191.90 × 149,783,950.10
  4. Step 4: Simplify right side
    149,783,950.10x = 31,499,893,017,470,224
  5. Step 5: Solve for x
    x = 31,499,893,017,470,224/149,783,950.10
  6. Step 6: Final answer
    x = 210,302,191.90

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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.