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Finding the Fourth Proportional to 117,193.77, 161,727.33 and 63,478.65

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Solution

The fourth proportional to 117,193.77, 161,727.33 and 63,478.65 is: 87,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,193.77 : 161,727.33 = 63,478.65 : x
  2. Step 2: Convert to fraction form
    117,193.77/161,727.33 = 63,478.65/x
  3. Step 3: Cross multiply
    117,193.77x = 161,727.33 × 63,478.65
  4. Step 4: Simplify right side
    117,193.77x = 10,266,233,421.03
  5. Step 5: Solve for x
    x = 10,266,233,421.03/117,193.77
  6. Step 6: Final answer
    x = 87,600.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.