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Finding the Fourth Proportional to 116,356.62, 174,479.55 and 53,158.03

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Solution

The fourth proportional to 116,356.62, 174,479.55 and 53,158.03 is: 79,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,356.62 : 174,479.55 = 53,158.03 : x
  2. Step 2: Convert to fraction form
    116,356.62/174,479.55 = 53,158.03/x
  3. Step 3: Cross multiply
    116,356.62x = 174,479.55 × 53,158.03
  4. Step 4: Simplify right side
    116,356.62x = 9,274,989,153.29
  5. Step 5: Solve for x
    x = 9,274,989,153.29/116,356.62
  6. Step 6: Final answer
    x = 79,711.74

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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.