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Finding the Fourth Proportional to 242,709.41, 363,801.13 and 124,218.29

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Solution

The fourth proportional to 242,709.41, 363,801.13 and 124,218.29 is: 186,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,709.41 : 363,801.13 = 124,218.29 : x
  2. Step 2: Convert to fraction form
    242,709.41/363,801.13 = 124,218.29/x
  3. Step 3: Cross multiply
    242,709.41x = 363,801.13 × 124,218.29
  4. Step 4: Simplify right side
    242,709.41x = 45,190,754,268.67
  5. Step 5: Solve for x
    x = 45,190,754,268.67/242,709.41
  6. Step 6: Final answer
    x = 186,192.84

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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.