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Finding the Fourth Proportional to 183,455.70, 275,183.55 and 153,931.20

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Solution

The fourth proportional to 183,455.70, 275,183.55 and 153,931.20 is: 230,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,455.70 : 275,183.55 = 153,931.20 : x
  2. Step 2: Convert to fraction form
    183,455.70/275,183.55 = 153,931.20/x
  3. Step 3: Cross multiply
    183,455.70x = 275,183.55 × 153,931.20
  4. Step 4: Simplify right side
    183,455.70x = 42,359,334,071.76
  5. Step 5: Solve for x
    x = 42,359,334,071.76/183,455.70
  6. Step 6: Final answer
    x = 230,896.80

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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.