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Finding the Fourth Proportional to 152,479.30, 210,422.67 and 84,497.41

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Solution

The fourth proportional to 152,479.30, 210,422.67 and 84,497.41 is: 116,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,479.30 : 210,422.67 = 84,497.41 : x
  2. Step 2: Convert to fraction form
    152,479.30/210,422.67 = 84,497.41/x
  3. Step 3: Cross multiply
    152,479.30x = 210,422.67 × 84,497.41
  4. Step 4: Simplify right side
    152,479.30x = 17,780,170,620.28
  5. Step 5: Solve for x
    x = 17,780,170,620.28/152,479.30
  6. Step 6: Final answer
    x = 116,607.11

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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.