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Finding the Fourth Proportional to 53,299,430.55, 79,949,145.83 and 53,299,430.55

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Solution

The fourth proportional to 53,299,430.55, 79,949,145.83 and 53,299,430.55 is: 79,949,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299,430.55 : 79,949,145.83 = 53,299,430.55 : x
  2. Step 2: Convert to fraction form
    53,299,430.55/79,949,145.83 = 53,299,430.55/x
  3. Step 3: Cross multiply
    53,299,430.55x = 79,949,145.83 × 53,299,430.55
  4. Step 4: Simplify right side
    53,299,430.55x = 4,261,243,945,431,410
  5. Step 5: Solve for x
    x = 4,261,243,945,431,410/53,299,430.55
  6. Step 6: Final answer
    x = 79,949,145.83

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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.