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Finding the Fourth Proportional to 65,670,400.90, 98,496,658.95 and 17,152,048.90

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Solution

The fourth proportional to 65,670,400.90, 98,496,658.95 and 17,152,048.90 is: 25,725,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670,400.90 : 98,496,658.95 = 17,152,048.90 : x
  2. Step 2: Convert to fraction form
    65,670,400.90/98,496,658.95 = 17,152,048.90/x
  3. Step 3: Cross multiply
    65,670,400.90x = 98,496,658.95 × 17,152,048.90
  4. Step 4: Simplify right side
    65,670,400.90x = 1,689,419,510,797,022.50
  5. Step 5: Solve for x
    x = 1,689,419,510,797,022.50/65,670,400.90
  6. Step 6: Final answer
    x = 25,725,737.74

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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.