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Finding the Fourth Proportional to 242,881.37, 364,332.99 and 74,389.43

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Solution

The fourth proportional to 242,881.37, 364,332.99 and 74,389.43 is: 111,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,881.37 : 364,332.99 = 74,389.43 : x
  2. Step 2: Convert to fraction form
    242,881.37/364,332.99 = 74,389.43/x
  3. Step 3: Cross multiply
    242,881.37x = 364,332.99 × 74,389.43
  4. Step 4: Simplify right side
    242,881.37x = 27,102,521,634.63
  5. Step 5: Solve for x
    x = 27,102,521,634.63/242,881.37
  6. Step 6: Final answer
    x = 111,587.49

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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.