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Finding the Fourth Proportional to 202,279.61, 303,325.53 and 118,064.12

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Solution

The fourth proportional to 202,279.61, 303,325.53 and 118,064.12 is: 177,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.61 : 303,325.53 = 118,064.12 : x
  2. Step 2: Convert to fraction form
    202,279.61/303,325.53 = 118,064.12/x
  3. Step 3: Cross multiply
    202,279.61x = 303,325.53 × 118,064.12
  4. Step 4: Simplify right side
    202,279.61x = 35,811,860,256.36
  5. Step 5: Solve for x
    x = 35,811,860,256.36/202,279.61
  6. Step 6: Final answer
    x = 177,041.38

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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.