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Finding the Fourth Proportional to 77,683,207.80, 116,524,811.70 and 53,496,737.40

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Solution

The fourth proportional to 77,683,207.80, 116,524,811.70 and 53,496,737.40 is: 80,245,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,683,207.80 : 116,524,811.70 = 53,496,737.40 : x
  2. Step 2: Convert to fraction form
    77,683,207.80/116,524,811.70 = 53,496,737.40/x
  3. Step 3: Cross multiply
    77,683,207.80x = 116,524,811.70 × 53,496,737.40
  4. Step 4: Simplify right side
    77,683,207.80x = 6,233,697,252,099,348
  5. Step 5: Solve for x
    x = 6,233,697,252,099,348/77,683,207.80
  6. Step 6: Final answer
    x = 80,245,106.10

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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.