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Finding the Fourth Proportional to 89,171.53, 133,811.64 and 35,853.51

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Solution

The fourth proportional to 89,171.53, 133,811.64 and 35,853.51 is: 53,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,171.53 : 133,811.64 = 35,853.51 : x
  2. Step 2: Convert to fraction form
    89,171.53/133,811.64 = 35,853.51/x
  3. Step 3: Cross multiply
    89,171.53x = 133,811.64 × 35,853.51
  4. Step 4: Simplify right side
    89,171.53x = 4,797,616,124.53
  5. Step 5: Solve for x
    x = 4,797,616,124.53/89,171.53
  6. Step 6: Final answer
    x = 53,802.11

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1.5x scale

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.