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Finding the Fourth Proportional to 243,078.48, 364,092.84 and 237,129.84

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Solution

The fourth proportional to 243,078.48, 364,092.84 and 237,129.84 is: 355,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,078.48 : 364,092.84 = 237,129.84 : x
  2. Step 2: Convert to fraction form
    243,078.48/364,092.84 = 237,129.84/x
  3. Step 3: Cross multiply
    243,078.48x = 364,092.84 × 237,129.84
  4. Step 4: Simplify right side
    243,078.48x = 86,337,276,894.35
  5. Step 5: Solve for x
    x = 86,337,276,894.35/243,078.48
  6. Step 6: Final answer
    x = 355,182.72

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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.