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Finding the Fourth Proportional to 242,291.72, 334,349.47 and 133,374.84

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Solution

The fourth proportional to 242,291.72, 334,349.47 and 133,374.84 is: 184,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,291.72 : 334,349.47 = 133,374.84 : x
  2. Step 2: Convert to fraction form
    242,291.72/334,349.47 = 133,374.84/x
  3. Step 3: Cross multiply
    242,291.72x = 334,349.47 × 133,374.84
  4. Step 4: Simplify right side
    242,291.72x = 44,593,805,978.24
  5. Step 5: Solve for x
    x = 44,593,805,978.24/242,291.72
  6. Step 6: Final answer
    x = 184,050.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.