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Finding the Fourth Proportional to 183,156.10, 274,406.10 and 156,912.10

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Solution

The fourth proportional to 183,156.10, 274,406.10 and 156,912.10 is: 235,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,156.10 : 274,406.10 = 156,912.10 : x
  2. Step 2: Convert to fraction form
    183,156.10/274,406.10 = 156,912.10/x
  3. Step 3: Cross multiply
    183,156.10x = 274,406.10 × 156,912.10
  4. Step 4: Simplify right side
    183,156.10x = 43,057,637,403.81
  5. Step 5: Solve for x
    x = 43,057,637,403.81/183,156.10
  6. Step 6: Final answer
    x = 235,087.11

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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.