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Finding the Fourth Proportional to 117,957.20, 176,935.80 and 39,083.60

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Solution

The fourth proportional to 117,957.20, 176,935.80 and 39,083.60 is: 58,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,957.20 : 176,935.80 = 39,083.60 : x
  2. Step 2: Convert to fraction form
    117,957.20/176,935.80 = 39,083.60/x
  3. Step 3: Cross multiply
    117,957.20x = 176,935.80 × 39,083.60
  4. Step 4: Simplify right side
    117,957.20x = 6,915,288,032.88
  5. Step 5: Solve for x
    x = 6,915,288,032.88/117,957.20
  6. Step 6: Final answer
    x = 58,625.40

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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.