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Finding the Fourth Proportional to 175,281.65, 241,938.22 and 103,686.56

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Solution

The fourth proportional to 175,281.65, 241,938.22 and 103,686.56 is: 143,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,281.65 : 241,938.22 = 103,686.56 : x
  2. Step 2: Convert to fraction form
    175,281.65/241,938.22 = 103,686.56/x
  3. Step 3: Cross multiply
    175,281.65x = 241,938.22 × 103,686.56
  4. Step 4: Simplify right side
    175,281.65x = 25,085,740,554.63
  5. Step 5: Solve for x
    x = 25,085,740,554.63/175,281.65
  6. Step 6: Final answer
    x = 143,116.76

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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.