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Finding the Fourth Proportional to 175,276.70, 241,898.92 and 103,679.79

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Solution

The fourth proportional to 175,276.70, 241,898.92 and 103,679.79 is: 143,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,276.70 : 241,898.92 = 103,679.79 : x
  2. Step 2: Convert to fraction form
    175,276.70/241,898.92 = 103,679.79/x
  3. Step 3: Cross multiply
    175,276.70x = 241,898.92 × 103,679.79
  4. Step 4: Simplify right side
    175,276.70x = 25,080,028,967.63
  5. Step 5: Solve for x
    x = 25,080,028,967.63/175,276.70
  6. Step 6: Final answer
    x = 143,088.21

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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.