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Finding the Fourth Proportional to 242,653.04, 334,863.64 and 133,761.25

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Solution

The fourth proportional to 242,653.04, 334,863.64 and 133,761.25 is: 184,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,653.04 : 334,863.64 = 133,761.25 : x
  2. Step 2: Convert to fraction form
    242,653.04/334,863.64 = 133,761.25/x
  3. Step 3: Cross multiply
    242,653.04x = 334,863.64 × 133,761.25
  4. Step 4: Simplify right side
    242,653.04x = 44,791,779,065.95
  5. Step 5: Solve for x
    x = 44,791,779,065.95/242,653.04
  6. Step 6: Final answer
    x = 184,591.87

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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.