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Finding the Fourth Proportional to 71,900,577.45, 107,850,866.18 and 71,900,577.45

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Solution

The fourth proportional to 71,900,577.45, 107,850,866.18 and 71,900,577.45 is: 107,850,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,900,577.45 : 107,850,866.18 = 71,900,577.45 : x
  2. Step 2: Convert to fraction form
    71,900,577.45/107,850,866.18 = 71,900,577.45/x
  3. Step 3: Cross multiply
    71,900,577.45x = 107,850,866.18 × 71,900,577.45
  4. Step 4: Simplify right side
    71,900,577.45x = 7,754,539,556,465,173
  5. Step 5: Solve for x
    x = 7,754,539,556,465,173/71,900,577.45
  6. Step 6: Final answer
    x = 107,850,866.18

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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.