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Finding the Fourth Proportional to 102,859.02, 154,148.40 and 62,892

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Solution

The fourth proportional to 102,859.02, 154,148.40 and 62,892 is: 94,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,859.02 : 154,148.40 = 62,892 : x
  2. Step 2: Convert to fraction form
    102,859.02/154,148.40 = 62,892/x
  3. Step 3: Cross multiply
    102,859.02x = 154,148.40 × 62,892
  4. Step 4: Simplify right side
    102,859.02x = 9,694,701,172.80
  5. Step 5: Solve for x
    x = 9,694,701,172.80/102,859.02
  6. Step 6: Final answer
    x = 94,252.32

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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.