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Finding the Fourth Proportional to 216,108.69, 323,710.95 and 173,759.46

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Solution

The fourth proportional to 216,108.69, 323,710.95 and 173,759.46 is: 260,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,108.69 : 323,710.95 = 173,759.46 : x
  2. Step 2: Convert to fraction form
    216,108.69/323,710.95 = 173,759.46/x
  3. Step 3: Cross multiply
    216,108.69x = 323,710.95 × 173,759.46
  4. Step 4: Simplify right side
    216,108.69x = 56,247,839,868.09
  5. Step 5: Solve for x
    x = 56,247,839,868.09/216,108.69
  6. Step 6: Final answer
    x = 260,275.70

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1.5x scale

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.