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Finding the Fourth Proportional to 89,154.74, 133,600.88 and 39,189.08

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Solution

The fourth proportional to 89,154.74, 133,600.88 and 39,189.08 is: 58,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.74 : 133,600.88 = 39,189.08 : x
  2. Step 2: Convert to fraction form
    89,154.74/133,600.88 = 39,189.08/x
  3. Step 3: Cross multiply
    89,154.74x = 133,600.88 × 39,189.08
  4. Step 4: Simplify right side
    89,154.74x = 5,235,696,006.37
  5. Step 5: Solve for x
    x = 5,235,696,006.37/89,154.74
  6. Step 6: Final answer
    x = 58,725.94

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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.