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Finding the Fourth Proportional to 83,670,458.73, 125,505,688.10 and 83,670,458.73

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Solution

The fourth proportional to 83,670,458.73, 125,505,688.10 and 83,670,458.73 is: 125,505,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670,458.73 : 125,505,688.10 = 83,670,458.73 : x
  2. Step 2: Convert to fraction form
    83,670,458.73/125,505,688.10 = 83,670,458.73/x
  3. Step 3: Cross multiply
    83,670,458.73x = 125,505,688.10 × 83,670,458.73
  4. Step 4: Simplify right side
    83,670,458.73x = 10,501,118,496,551,302
  5. Step 5: Solve for x
    x = 10,501,118,496,551,302/83,670,458.73
  6. Step 6: Final answer
    x = 125,505,688.10

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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.