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Finding the Fourth Proportional to 73,695,783.20, 110,375,713.20 and 43,462,695.20

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Solution

The fourth proportional to 73,695,783.20, 110,375,713.20 and 43,462,695.20 is: 65,094,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695,783.20 : 110,375,713.20 = 43,462,695.20 : x
  2. Step 2: Convert to fraction form
    73,695,783.20/110,375,713.20 = 43,462,695.20/x
  3. Step 3: Cross multiply
    73,695,783.20x = 110,375,713.20 × 43,462,695.20
  4. Step 4: Simplify right side
    73,695,783.20x = 4,797,225,980,294,217
  5. Step 5: Solve for x
    x = 4,797,225,980,294,217/73,695,783.20
  6. Step 6: Final answer
    x = 65,094,986.06

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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.