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Finding the Fourth Proportional to 152,846.50, 210,934.76 and 84,863.48

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Solution

The fourth proportional to 152,846.50, 210,934.76 and 84,863.48 is: 117,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,846.50 : 210,934.76 = 84,863.48 : x
  2. Step 2: Convert to fraction form
    152,846.50/210,934.76 = 84,863.48/x
  3. Step 3: Cross multiply
    152,846.50x = 210,934.76 × 84,863.48
  4. Step 4: Simplify right side
    152,846.50x = 17,900,657,098.58
  5. Step 5: Solve for x
    x = 17,900,657,098.58/152,846.50
  6. Step 6: Final answer
    x = 117,115.26

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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.