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Finding the Fourth Proportional to 242,516, 334,672.08 and 136,532

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Solution

The fourth proportional to 242,516, 334,672.08 and 136,532 is: 188,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,516 : 334,672.08 = 136,532 : x
  2. Step 2: Convert to fraction form
    242,516/334,672.08 = 136,532/x
  3. Step 3: Cross multiply
    242,516x = 334,672.08 × 136,532
  4. Step 4: Simplify right side
    242,516x = 45,693,448,426.56
  5. Step 5: Solve for x
    x = 45,693,448,426.56/242,516
  6. Step 6: Final answer
    x = 188,414.16

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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.