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Finding the Fourth Proportional to 242,065.31, 334,066.82 and 134,645.34

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Solution

The fourth proportional to 242,065.31, 334,066.82 and 134,645.34 is: 185,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,065.31 : 334,066.82 = 134,645.34 : x
  2. Step 2: Convert to fraction form
    242,065.31/334,066.82 = 134,645.34/x
  3. Step 3: Cross multiply
    242,065.31x = 334,066.82 × 134,645.34
  4. Step 4: Simplify right side
    242,065.31x = 44,980,539,888.39
  5. Step 5: Solve for x
    x = 44,980,539,888.39/242,065.31
  6. Step 6: Final answer
    x = 185,819.86

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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.