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Finding the Fourth Proportional to 159,802.01, 220,539.22 and 91,842.69

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Solution

The fourth proportional to 159,802.01, 220,539.22 and 91,842.69 is: 126,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,802.01 : 220,539.22 = 91,842.69 : x
  2. Step 2: Convert to fraction form
    159,802.01/220,539.22 = 91,842.69/x
  3. Step 3: Cross multiply
    159,802.01x = 220,539.22 × 91,842.69
  4. Step 4: Simplify right side
    159,802.01x = 20,254,915,812.72
  5. Step 5: Solve for x
    x = 20,254,915,812.72/159,802.01
  6. Step 6: Final answer
    x = 126,750.07

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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.