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Finding the Fourth Proportional to 242,826.80, 364,094.40 and 124,728.80

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Solution

The fourth proportional to 242,826.80, 364,094.40 and 124,728.80 is: 187,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,826.80 : 364,094.40 = 124,728.80 : x
  2. Step 2: Convert to fraction form
    242,826.80/364,094.40 = 124,728.80/x
  3. Step 3: Cross multiply
    242,826.80x = 364,094.40 × 124,728.80
  4. Step 4: Simplify right side
    242,826.80x = 45,413,057,598.72
  5. Step 5: Solve for x
    x = 45,413,057,598.72/242,826.80
  6. Step 6: Final answer
    x = 187,018.31

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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.