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Finding the Fourth Proportional to 72,841,567.05, 109,262,350.58 and 72,841,567.05

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Solution

The fourth proportional to 72,841,567.05, 109,262,350.58 and 72,841,567.05 is: 109,262,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,841,567.05 : 109,262,350.58 = 72,841,567.05 : x
  2. Step 2: Convert to fraction form
    72,841,567.05/109,262,350.58 = 72,841,567.05/x
  3. Step 3: Cross multiply
    72,841,567.05x = 109,262,350.58 × 72,841,567.05
  4. Step 4: Simplify right side
    72,841,567.05x = 7,958,840,835,449,468
  5. Step 5: Solve for x
    x = 7,958,840,835,449,468/72,841,567.05
  6. Step 6: Final answer
    x = 109,262,350.58

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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.