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Finding the Fourth Proportional to 100,302,421.10, 150,453,631.65 and 100,302,421.10

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Solution

The fourth proportional to 100,302,421.10, 150,453,631.65 and 100,302,421.10 is: 150,453,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,302,421.10 : 150,453,631.65 = 100,302,421.10 : x
  2. Step 2: Convert to fraction form
    100,302,421.10/150,453,631.65 = 100,302,421.10/x
  3. Step 3: Cross multiply
    100,302,421.10x = 150,453,631.65 × 100,302,421.10
  4. Step 4: Simplify right side
    100,302,421.10x = 15,090,863,517,782,588
  5. Step 5: Solve for x
    x = 15,090,863,517,782,588/100,302,421.10
  6. Step 6: Final answer
    x = 150,453,631.65

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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.