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Finding the Fourth Proportional to 116,855.91, 175,447.08 and 59,969.61

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Solution

The fourth proportional to 116,855.91, 175,447.08 and 59,969.61 is: 90,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855.91 : 175,447.08 = 59,969.61 : x
  2. Step 2: Convert to fraction form
    116,855.91/175,447.08 = 59,969.61/x
  3. Step 3: Cross multiply
    116,855.91x = 175,447.08 × 59,969.61
  4. Step 4: Simplify right side
    116,855.91x = 10,521,492,963.24
  5. Step 5: Solve for x
    x = 10,521,492,963.24/116,855.91
  6. Step 6: Final answer
    x = 90,038.18

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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.