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Finding the Fourth Proportional to 125,375.54, 186,760.23 and 118,584.77

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Solution

The fourth proportional to 125,375.54, 186,760.23 and 118,584.77 is: 176,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,375.54 : 186,760.23 = 118,584.77 : x
  2. Step 2: Convert to fraction form
    125,375.54/186,760.23 = 118,584.77/x
  3. Step 3: Cross multiply
    125,375.54x = 186,760.23 × 118,584.77
  4. Step 4: Simplify right side
    125,375.54x = 22,146,917,541.20
  5. Step 5: Solve for x
    x = 22,146,917,541.20/125,375.54
  6. Step 6: Final answer
    x = 176,644.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.