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Finding the Fourth Proportional to 242,291.83, 334,362.74 and 134,859.56

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Solution

The fourth proportional to 242,291.83, 334,362.74 and 134,859.56 is: 186,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,291.83 : 334,362.74 = 134,859.56 : x
  2. Step 2: Convert to fraction form
    242,291.83/334,362.74 = 134,859.56/x
  3. Step 3: Cross multiply
    242,291.83x = 334,362.74 × 134,859.56
  4. Step 4: Simplify right side
    242,291.83x = 45,092,010,324.98
  5. Step 5: Solve for x
    x = 45,092,010,324.98/242,291.83
  6. Step 6: Final answer
    x = 186,106.19

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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.