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Finding the Fourth Proportional to 202,597.76, 303,908.51 and 76,239.06

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Solution

The fourth proportional to 202,597.76, 303,908.51 and 76,239.06 is: 114,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,597.76 : 303,908.51 = 76,239.06 : x
  2. Step 2: Convert to fraction form
    202,597.76/303,908.51 = 76,239.06/x
  3. Step 3: Cross multiply
    202,597.76x = 303,908.51 × 76,239.06
  4. Step 4: Simplify right side
    202,597.76x = 23,169,698,747.21
  5. Step 5: Solve for x
    x = 23,169,698,747.21/202,597.76
  6. Step 6: Final answer
    x = 114,363.06

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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.