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Finding the Fourth Proportional to 161,079.96, 241,347.06 and 98,619.96

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Solution

The fourth proportional to 161,079.96, 241,347.06 and 98,619.96 is: 147,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,079.96 : 241,347.06 = 98,619.96 : x
  2. Step 2: Convert to fraction form
    161,079.96/241,347.06 = 98,619.96/x
  3. Step 3: Cross multiply
    161,079.96x = 241,347.06 × 98,619.96
  4. Step 4: Simplify right side
    161,079.96x = 23,801,637,403.32
  5. Step 5: Solve for x
    x = 23,801,637,403.32/161,079.96
  6. Step 6: Final answer
    x = 147,762.87

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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.