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Finding the Fourth Proportional to 242,051.70, 334,043.16 and 134,619.42

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Solution

The fourth proportional to 242,051.70, 334,043.16 and 134,619.42 is: 185,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,051.70 : 334,043.16 = 134,619.42 : x
  2. Step 2: Convert to fraction form
    242,051.70/334,043.16 = 134,619.42/x
  3. Step 3: Cross multiply
    242,051.70x = 334,043.16 × 134,619.42
  4. Step 4: Simplify right side
    242,051.70x = 44,968,696,454.17
  5. Step 5: Solve for x
    x = 44,968,696,454.17/242,051.70
  6. Step 6: Final answer
    x = 185,781.37

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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.