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Finding the Fourth Proportional to 242,310.30, 363,539.82 and 124,064.66

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Solution

The fourth proportional to 242,310.30, 363,539.82 and 124,064.66 is: 186,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,310.30 : 363,539.82 = 124,064.66 : x
  2. Step 2: Convert to fraction form
    242,310.30/363,539.82 = 124,064.66/x
  3. Step 3: Cross multiply
    242,310.30x = 363,539.82 × 124,064.66
  4. Step 4: Simplify right side
    242,310.30x = 45,102,444,164.76
  5. Step 5: Solve for x
    x = 45,102,444,164.76/242,310.30
  6. Step 6: Final answer
    x = 186,135.07

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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.