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Finding the Fourth Proportional to 242,494.52, 334,633.76 and 135,058.76

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Solution

The fourth proportional to 242,494.52, 334,633.76 and 135,058.76 is: 186,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,494.52 : 334,633.76 = 135,058.76 : x
  2. Step 2: Convert to fraction form
    242,494.52/334,633.76 = 135,058.76/x
  3. Step 3: Cross multiply
    242,494.52x = 334,633.76 × 135,058.76
  4. Step 4: Simplify right side
    242,494.52x = 45,195,219,006.57
  5. Step 5: Solve for x
    x = 45,195,219,006.57/242,494.52
  6. Step 6: Final answer
    x = 186,376.25

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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.