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Finding the Fourth Proportional to 242,466.55, 334,614.21 and 135,036.56

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Solution

The fourth proportional to 242,466.55, 334,614.21 and 135,036.56 is: 186,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,466.55 : 334,614.21 = 135,036.56 : x
  2. Step 2: Convert to fraction form
    242,466.55/334,614.21 = 135,036.56/x
  3. Step 3: Cross multiply
    242,466.55x = 334,614.21 × 135,036.56
  4. Step 4: Simplify right side
    242,466.55x = 45,185,152,175.67
  5. Step 5: Solve for x
    x = 45,185,152,175.67/242,466.55
  6. Step 6: Final answer
    x = 186,356.23

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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.