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Finding the Fourth Proportional to 183,210.20, 274,815.30 and 153,685.70

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Solution

The fourth proportional to 183,210.20, 274,815.30 and 153,685.70 is: 230,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,210.20 : 274,815.30 = 153,685.70 : x
  2. Step 2: Convert to fraction form
    183,210.20/274,815.30 = 153,685.70/x
  3. Step 3: Cross multiply
    183,210.20x = 274,815.30 × 153,685.70
  4. Step 4: Simplify right side
    183,210.20x = 42,235,181,751.21
  5. Step 5: Solve for x
    x = 42,235,181,751.21/183,210.20
  6. Step 6: Final answer
    x = 230,528.55

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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.