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Finding the Fourth Proportional to 183,478.20, 275,217.30 and 153,953.70

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Solution

The fourth proportional to 183,478.20, 275,217.30 and 153,953.70 is: 230,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.20 : 275,217.30 = 153,953.70 : x
  2. Step 2: Convert to fraction form
    183,478.20/275,217.30 = 153,953.70/x
  3. Step 3: Cross multiply
    183,478.20x = 275,217.30 × 153,953.70
  4. Step 4: Simplify right side
    183,478.20x = 42,370,721,639.01
  5. Step 5: Solve for x
    x = 42,370,721,639.01/183,478.20
  6. Step 6: Final answer
    x = 230,930.55

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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.