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Finding the Fourth Proportional to 182,867.20, 274,182.40 and 77,657.60

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Solution

The fourth proportional to 182,867.20, 274,182.40 and 77,657.60 is: 116,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,867.20 : 274,182.40 = 77,657.60 : x
  2. Step 2: Convert to fraction form
    182,867.20/274,182.40 = 77,657.60/x
  3. Step 3: Cross multiply
    182,867.20x = 274,182.40 × 77,657.60
  4. Step 4: Simplify right side
    182,867.20x = 21,292,347,146.24
  5. Step 5: Solve for x
    x = 21,292,347,146.24/182,867.20
  6. Step 6: Final answer
    x = 116,436.12

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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.