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Finding the Fourth Proportional to 242,783.80, 364,046.10 and 102,383.80

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Solution

The fourth proportional to 242,783.80, 364,046.10 and 102,383.80 is: 153,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,783.80 : 364,046.10 = 102,383.80 : x
  2. Step 2: Convert to fraction form
    242,783.80/364,046.10 = 102,383.80/x
  3. Step 3: Cross multiply
    242,783.80x = 364,046.10 × 102,383.80
  4. Step 4: Simplify right side
    242,783.80x = 37,272,423,093.18
  5. Step 5: Solve for x
    x = 37,272,423,093.18/242,783.80
  6. Step 6: Final answer
    x = 153,521.05

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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.