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Finding the Fourth Proportional to 435,143.54, 652,701.62 and 119,597.72

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Solution

The fourth proportional to 435,143.54, 652,701.62 and 119,597.72 is: 179,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,143.54 : 652,701.62 = 119,597.72 : x
  2. Step 2: Convert to fraction form
    435,143.54/652,701.62 = 119,597.72/x
  3. Step 3: Cross multiply
    435,143.54x = 652,701.62 × 119,597.72
  4. Step 4: Simplify right side
    435,143.54x = 78,061,625,592.31
  5. Step 5: Solve for x
    x = 78,061,625,592.31/435,143.54
  6. Step 6: Final answer
    x = 179,392.82

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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.