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Finding the Fourth Proportional to 52,915,265.15, 79,372,897.73 and 52,915,265.15

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Solution

The fourth proportional to 52,915,265.15, 79,372,897.73 and 52,915,265.15 is: 79,372,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,915,265.15 : 79,372,897.73 = 52,915,265.15 : x
  2. Step 2: Convert to fraction form
    52,915,265.15/79,372,897.73 = 52,915,265.15/x
  3. Step 3: Cross multiply
    52,915,265.15x = 79,372,897.73 × 52,915,265.15
  4. Step 4: Simplify right side
    52,915,265.15x = 4,200,037,928,842,206.50
  5. Step 5: Solve for x
    x = 4,200,037,928,842,206.50/52,915,265.15
  6. Step 6: Final answer
    x = 79,372,897.73

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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.