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Finding the Fourth Proportional to 242,291.64, 334,362.43 and 134,859.35

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Solution

The fourth proportional to 242,291.64, 334,362.43 and 134,859.35 is: 186,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,291.64 : 334,362.43 = 134,859.35 : x
  2. Step 2: Convert to fraction form
    242,291.64/334,362.43 = 134,859.35/x
  3. Step 3: Cross multiply
    242,291.64x = 334,362.43 × 134,859.35
  4. Step 4: Simplify right side
    242,291.64x = 45,091,899,974.22
  5. Step 5: Solve for x
    x = 45,091,899,974.22/242,291.64
  6. Step 6: Final answer
    x = 186,105.88

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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.