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Finding the Fourth Proportional to 202,598.37, 303,909.45 and 76,239.69

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Solution

The fourth proportional to 202,598.37, 303,909.45 and 76,239.69 is: 114,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,598.37 : 303,909.45 = 76,239.69 : x
  2. Step 2: Convert to fraction form
    202,598.37/303,909.45 = 76,239.69/x
  3. Step 3: Cross multiply
    202,598.37x = 303,909.45 × 76,239.69
  4. Step 4: Simplify right side
    202,598.37x = 23,169,962,256.07
  5. Step 5: Solve for x
    x = 23,169,962,256.07/202,598.37
  6. Step 6: Final answer
    x = 114,364.01

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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.