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Finding the Fourth Proportional to 183,485.80, 275,228.70 and 127,498.60

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Solution

The fourth proportional to 183,485.80, 275,228.70 and 127,498.60 is: 191,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,485.80 : 275,228.70 = 127,498.60 : x
  2. Step 2: Convert to fraction form
    183,485.80/275,228.70 = 127,498.60/x
  3. Step 3: Cross multiply
    183,485.80x = 275,228.70 × 127,498.60
  4. Step 4: Simplify right side
    183,485.80x = 35,091,273,929.82
  5. Step 5: Solve for x
    x = 35,091,273,929.82/183,485.80
  6. Step 6: Final answer
    x = 191,247.90

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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.