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Finding the Fourth Proportional to 175,298.70, 241,897.69 and 98,836.57

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Solution

The fourth proportional to 175,298.70, 241,897.69 and 98,836.57 is: 136,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,298.70 : 241,897.69 = 98,836.57 : x
  2. Step 2: Convert to fraction form
    175,298.70/241,897.69 = 98,836.57/x
  3. Step 3: Cross multiply
    175,298.70x = 241,897.69 × 98,836.57
  4. Step 4: Simplify right side
    175,298.70x = 23,908,337,375.94
  5. Step 5: Solve for x
    x = 23,908,337,375.94/175,298.70
  6. Step 6: Final answer
    x = 136,386.28

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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.