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Finding the Fourth Proportional to 181,894.80, 272,842.20 and 125,907.60

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Solution

The fourth proportional to 181,894.80, 272,842.20 and 125,907.60 is: 188,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,894.80 : 272,842.20 = 125,907.60 : x
  2. Step 2: Convert to fraction form
    181,894.80/272,842.20 = 125,907.60/x
  3. Step 3: Cross multiply
    181,894.80x = 272,842.20 × 125,907.60
  4. Step 4: Simplify right side
    181,894.80x = 34,352,906,580.72
  5. Step 5: Solve for x
    x = 34,352,906,580.72/181,894.80
  6. Step 6: Final answer
    x = 188,861.40

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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.