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Finding the Fourth Proportional to 71,655,652.26, 107,462,655.27 and 27,926,678.43

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Solution

The fourth proportional to 71,655,652.26, 107,462,655.27 and 27,926,678.43 is: 41,881,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,655,652.26 : 107,462,655.27 = 27,926,678.43 : x
  2. Step 2: Convert to fraction form
    71,655,652.26/107,462,655.27 = 27,926,678.43/x
  3. Step 3: Cross multiply
    71,655,652.26x = 107,462,655.27 × 27,926,678.43
  4. Step 4: Simplify right side
    71,655,652.26x = 3,001,075,016,959,234.50
  5. Step 5: Solve for x
    x = 3,001,075,016,959,234.50/71,655,652.26
  6. Step 6: Final answer
    x = 41,881,902.16

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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.