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Finding the Fourth Proportional to 74,892,115.80, 105,151,293 and 74,892,115.80

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Solution

The fourth proportional to 74,892,115.80, 105,151,293 and 74,892,115.80 is: 105,151,293

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,892,115.80 : 105,151,293 = 74,892,115.80 : x
  2. Step 2: Convert to fraction form
    74,892,115.80/105,151,293 = 74,892,115.80/x
  3. Step 3: Cross multiply
    74,892,115.80x = 105,151,293 × 74,892,115.80
  4. Step 4: Simplify right side
    74,892,115.80x = 7,875,002,811,875,729
  5. Step 5: Solve for x
    x = 7,875,002,811,875,729/74,892,115.80
  6. Step 6: Final answer
    x = 105,151,293

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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.