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Finding the Fourth Proportional to 128,046.95, 192,070.43 and 34,552.55

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Solution

The fourth proportional to 128,046.95, 192,070.43 and 34,552.55 is: 51,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,046.95 : 192,070.43 = 34,552.55 : x
  2. Step 2: Convert to fraction form
    128,046.95/192,070.43 = 34,552.55/x
  3. Step 3: Cross multiply
    128,046.95x = 192,070.43 × 34,552.55
  4. Step 4: Simplify right side
    128,046.95x = 6,636,522,963.33
  5. Step 5: Solve for x
    x = 6,636,522,963.33/128,046.95
  6. Step 6: Final answer
    x = 51,828.83

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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.