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Finding the Fourth Proportional to 183,768.74, 253,628.31 and 112,190.32

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Solution

The fourth proportional to 183,768.74, 253,628.31 and 112,190.32 is: 154,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,768.74 : 253,628.31 = 112,190.32 : x
  2. Step 2: Convert to fraction form
    183,768.74/253,628.31 = 112,190.32/x
  3. Step 3: Cross multiply
    183,768.74x = 253,628.31 × 112,190.32
  4. Step 4: Simplify right side
    183,768.74x = 28,454,641,259.96
  5. Step 5: Solve for x
    x = 28,454,641,259.96/183,768.74
  6. Step 6: Final answer
    x = 154,839.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.