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Finding the Fourth Proportional to 107,777.69, 161,666.48 and 32,898.20

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Solution

The fourth proportional to 107,777.69, 161,666.48 and 32,898.20 is: 49,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.69 : 161,666.48 = 32,898.20 : x
  2. Step 2: Convert to fraction form
    107,777.69/161,666.48 = 32,898.20/x
  3. Step 3: Cross multiply
    107,777.69x = 161,666.48 × 32,898.20
  4. Step 4: Simplify right side
    107,777.69x = 5,318,535,219.51
  5. Step 5: Solve for x
    x = 5,318,535,219.51/107,777.69
  6. Step 6: Final answer
    x = 49,347.28

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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.