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Finding the Fourth Proportional to 119,569.17, 179,230.72 and 53,040.63

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Solution

The fourth proportional to 119,569.17, 179,230.72 and 53,040.63 is: 79,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,569.17 : 179,230.72 = 53,040.63 : x
  2. Step 2: Convert to fraction form
    119,569.17/179,230.72 = 53,040.63/x
  3. Step 3: Cross multiply
    119,569.17x = 179,230.72 × 53,040.63
  4. Step 4: Simplify right side
    119,569.17x = 9,506,510,304.15
  5. Step 5: Solve for x
    x = 9,506,510,304.15/119,569.17
  6. Step 6: Final answer
    x = 79,506.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.