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Finding the Fourth Proportional to 303,275.32, 454,914.80 and 134,756.03

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Solution

The fourth proportional to 303,275.32, 454,914.80 and 134,756.03 is: 202,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,275.32 : 454,914.80 = 134,756.03 : x
  2. Step 2: Convert to fraction form
    303,275.32/454,914.80 = 134,756.03/x
  3. Step 3: Cross multiply
    303,275.32x = 454,914.80 × 134,756.03
  4. Step 4: Simplify right side
    303,275.32x = 61,302,512,436.24
  5. Step 5: Solve for x
    x = 61,302,512,436.24/303,275.32
  6. Step 6: Final answer
    x = 202,134.85

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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.