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Finding the Fourth Proportional to 108,672,130.05, 163,008,195.09 and 108,672,130.05

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Solution

The fourth proportional to 108,672,130.05, 163,008,195.09 and 108,672,130.05 is: 163,008,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,672,130.05 : 163,008,195.09 = 108,672,130.05 : x
  2. Step 2: Convert to fraction form
    108,672,130.05/163,008,195.09 = 108,672,130.05/x
  3. Step 3: Cross multiply
    108,672,130.05x = 163,008,195.09 × 108,672,130.05
  4. Step 4: Simplify right side
    108,672,130.05x = 17,714,447,776,036,252
  5. Step 5: Solve for x
    x = 17,714,447,776,036,252/108,672,130.05
  6. Step 6: Final answer
    x = 163,008,195.09

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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.