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Finding the Fourth Proportional to 160,422.58, 240,870.43 and 89,483.82

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Solution

The fourth proportional to 160,422.58, 240,870.43 and 89,483.82 is: 134,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,422.58 : 240,870.43 = 89,483.82 : x
  2. Step 2: Convert to fraction form
    160,422.58/240,870.43 = 89,483.82/x
  3. Step 3: Cross multiply
    160,422.58x = 240,870.43 × 89,483.82
  4. Step 4: Simplify right side
    160,422.58x = 21,554,006,201.44
  5. Step 5: Solve for x
    x = 21,554,006,201.44/160,422.58
  6. Step 6: Final answer
    x = 134,357.68

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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.