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Finding the Fourth Proportional to 175,378.78, 242,046.42 and 98,913.58

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Solution

The fourth proportional to 175,378.78, 242,046.42 and 98,913.58 is: 136,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,378.78 : 242,046.42 = 98,913.58 : x
  2. Step 2: Convert to fraction form
    175,378.78/242,046.42 = 98,913.58/x
  3. Step 3: Cross multiply
    175,378.78x = 242,046.42 × 98,913.58
  4. Step 4: Simplify right side
    175,378.78x = 23,941,677,928.38
  5. Step 5: Solve for x
    x = 23,941,677,928.38/175,378.78
  6. Step 6: Final answer
    x = 136,514.11

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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.