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Finding the Fourth Proportional to 75,579,871.80, 113,369,807.70 and 48,683,897.40

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Solution

The fourth proportional to 75,579,871.80, 113,369,807.70 and 48,683,897.40 is: 73,025,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,579,871.80 : 113,369,807.70 = 48,683,897.40 : x
  2. Step 2: Convert to fraction form
    75,579,871.80/113,369,807.70 = 48,683,897.40/x
  3. Step 3: Cross multiply
    75,579,871.80x = 113,369,807.70 × 48,683,897.40
  4. Step 4: Simplify right side
    75,579,871.80x = 5,519,284,086,324,530
  5. Step 5: Solve for x
    x = 5,519,284,086,324,530/75,579,871.80
  6. Step 6: Final answer
    x = 73,025,846.10

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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.