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Finding the Fourth Proportional to 53,145,697.20, 79,592,574.60 and 53,145,697.20

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Solution

The fourth proportional to 53,145,697.20, 79,592,574.60 and 53,145,697.20 is: 79,592,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,697.20 : 79,592,574.60 = 53,145,697.20 : x
  2. Step 2: Convert to fraction form
    53,145,697.20/79,592,574.60 = 53,145,697.20/x
  3. Step 3: Cross multiply
    53,145,697.20x = 79,592,574.60 × 53,145,697.20
  4. Step 4: Simplify right side
    53,145,697.20x = 4,230,002,869,060,011
  5. Step 5: Solve for x
    x = 4,230,002,869,060,011/53,145,697.20
  6. Step 6: Final answer
    x = 79,592,574.60

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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.