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Finding the Fourth Proportional to 108,904,039.30, 152,579,029.10 and 108,904,039.30

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Solution

The fourth proportional to 108,904,039.30, 152,579,029.10 and 108,904,039.30 is: 152,579,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,904,039.30 : 152,579,029.10 = 108,904,039.30 : x
  2. Step 2: Convert to fraction form
    108,904,039.30/152,579,029.10 = 108,904,039.30/x
  3. Step 3: Cross multiply
    108,904,039.30x = 152,579,029.10 × 108,904,039.30
  4. Step 4: Simplify right side
    108,904,039.30x = 16,616,472,581,462,242
  5. Step 5: Solve for x
    x = 16,616,472,581,462,242/108,904,039.30
  6. Step 6: Final answer
    x = 152,579,029.10

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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.