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Finding the Fourth Proportional to 175,287.65, 241,946.51 and 103,692.56

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Solution

The fourth proportional to 175,287.65, 241,946.51 and 103,692.56 is: 143,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,287.65 : 241,946.51 = 103,692.56 : x
  2. Step 2: Convert to fraction form
    175,287.65/241,946.51 = 103,692.56/x
  3. Step 3: Cross multiply
    175,287.65x = 241,946.51 × 103,692.56
  4. Step 4: Simplify right side
    175,287.65x = 25,088,053,004.97
  5. Step 5: Solve for x
    x = 25,088,053,004.97/175,287.65
  6. Step 6: Final answer
    x = 143,125.05

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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.