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Finding the Fourth Proportional to 242,318.88, 334,403.24 and 133,435.98

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Solution

The fourth proportional to 242,318.88, 334,403.24 and 133,435.98 is: 184,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,318.88 : 334,403.24 = 133,435.98 : x
  2. Step 2: Convert to fraction form
    242,318.88/334,403.24 = 133,435.98/x
  3. Step 3: Cross multiply
    242,318.88x = 334,403.24 × 133,435.98
  4. Step 4: Simplify right side
    242,318.88x = 44,621,423,377.40
  5. Step 5: Solve for x
    x = 44,621,423,377.40/242,318.88
  6. Step 6: Final answer
    x = 184,143.40

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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.