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Finding the Fourth Proportional to 242,893.40, 364,340.10 and 176,019.80

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Solution

The fourth proportional to 242,893.40, 364,340.10 and 176,019.80 is: 264,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,893.40 : 364,340.10 = 176,019.80 : x
  2. Step 2: Convert to fraction form
    242,893.40/364,340.10 = 176,019.80/x
  3. Step 3: Cross multiply
    242,893.40x = 364,340.10 × 176,019.80
  4. Step 4: Simplify right side
    242,893.40x = 64,131,071,533.98
  5. Step 5: Solve for x
    x = 64,131,071,533.98/242,893.40
  6. Step 6: Final answer
    x = 264,029.70

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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.