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Finding the Fourth Proportional to 183,455.20, 275,182.80 and 153,930.70

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Solution

The fourth proportional to 183,455.20, 275,182.80 and 153,930.70 is: 230,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,455.20 : 275,182.80 = 153,930.70 : x
  2. Step 2: Convert to fraction form
    183,455.20/275,182.80 = 153,930.70/x
  3. Step 3: Cross multiply
    183,455.20x = 275,182.80 × 153,930.70
  4. Step 4: Simplify right side
    183,455.20x = 42,359,081,031.96
  5. Step 5: Solve for x
    x = 42,359,081,031.96/183,455.20
  6. Step 6: Final answer
    x = 230,896.05

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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.