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Finding the Fourth Proportional to 45,315,509.28, 67,973,330.64 and 34,593,687.84

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Solution

The fourth proportional to 45,315,509.28, 67,973,330.64 and 34,593,687.84 is: 51,890,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315,509.28 : 67,973,330.64 = 34,593,687.84 : x
  2. Step 2: Convert to fraction form
    45,315,509.28/67,973,330.64 = 34,593,687.84/x
  3. Step 3: Cross multiply
    45,315,509.28x = 67,973,330.64 × 34,593,687.84
  4. Step 4: Simplify right side
    45,315,509.28x = 2,351,448,181,605,267.50
  5. Step 5: Solve for x
    x = 2,351,448,181,605,267.50/45,315,509.28
  6. Step 6: Final answer
    x = 51,890,582.69

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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.