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Finding the Fourth Proportional to 242,971.58, 364,568.13 and 124,726.03

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Solution

The fourth proportional to 242,971.58, 364,568.13 and 124,726.03 is: 187,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,971.58 : 364,568.13 = 124,726.03 : x
  2. Step 2: Convert to fraction form
    242,971.58/364,568.13 = 124,726.03/x
  3. Step 3: Cross multiply
    242,971.58x = 364,568.13 × 124,726.03
  4. Step 4: Simplify right side
    242,971.58x = 45,471,134,608.00
  5. Step 5: Solve for x
    x = 45,471,134,608.00/242,971.58
  6. Step 6: Final answer
    x = 187,145.90

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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.