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Finding the Fourth Proportional to 161,141.79, 241,319.01 and 139,096.83

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Solution

The fourth proportional to 161,141.79, 241,319.01 and 139,096.83 is: 208,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.79 : 241,319.01 = 139,096.83 : x
  2. Step 2: Convert to fraction form
    161,141.79/241,319.01 = 139,096.83/x
  3. Step 3: Cross multiply
    161,141.79x = 241,319.01 × 139,096.83
  4. Step 4: Simplify right side
    161,141.79x = 33,566,709,309.74
  5. Step 5: Solve for x
    x = 33,566,709,309.74/161,141.79
  6. Step 6: Final answer
    x = 208,305.43

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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.