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Finding the Fourth Proportional to 117,216.37, 161,758.29 and 63,502.71

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Solution

The fourth proportional to 117,216.37, 161,758.29 and 63,502.71 is: 87,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,216.37 : 161,758.29 = 63,502.71 : x
  2. Step 2: Convert to fraction form
    117,216.37/161,758.29 = 63,502.71/x
  3. Step 3: Cross multiply
    117,216.37x = 161,758.29 × 63,502.71
  4. Step 4: Simplify right side
    117,216.37x = 10,272,089,779.97
  5. Step 5: Solve for x
    x = 10,272,089,779.97/117,216.37
  6. Step 6: Final answer
    x = 87,633.58

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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.