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Finding the Fourth Proportional to 13,614,876.15, 19,108,656.30 and 13,614,876.15

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Solution

The fourth proportional to 13,614,876.15, 19,108,656.30 and 13,614,876.15 is: 19,108,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,876.15 : 19,108,656.30 = 13,614,876.15 : x
  2. Step 2: Convert to fraction form
    13,614,876.15/19,108,656.30 = 13,614,876.15/x
  3. Step 3: Cross multiply
    13,614,876.15x = 19,108,656.30 × 13,614,876.15
  4. Step 4: Simplify right side
    13,614,876.15x = 260,161,988,917,417.25
  5. Step 5: Solve for x
    x = 260,161,988,917,417.25/13,614,876.15
  6. Step 6: Final answer
    x = 19,108,656.30

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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.