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Finding the Fourth Proportional to 183,870.80, 253,732.20 and 103,301.72

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Solution

The fourth proportional to 183,870.80, 253,732.20 and 103,301.72 is: 142,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,870.80 : 253,732.20 = 103,301.72 : x
  2. Step 2: Convert to fraction form
    183,870.80/253,732.20 = 103,301.72/x
  3. Step 3: Cross multiply
    183,870.80x = 253,732.20 × 103,301.72
  4. Step 4: Simplify right side
    183,870.80x = 26,210,972,679.38
  5. Step 5: Solve for x
    x = 26,210,972,679.38/183,870.80
  6. Step 6: Final answer
    x = 142,551.03

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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.