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Finding the Fourth Proportional to 107,777.66, 161,666.51 and 32,898.20

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Solution

The fourth proportional to 107,777.66, 161,666.51 and 32,898.20 is: 49,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.66 : 161,666.51 = 32,898.20 : x
  2. Step 2: Convert to fraction form
    107,777.66/161,666.51 = 32,898.20/x
  3. Step 3: Cross multiply
    107,777.66x = 161,666.51 × 32,898.20
  4. Step 4: Simplify right side
    107,777.66x = 5,318,536,206.46
  5. Step 5: Solve for x
    x = 5,318,536,206.46/107,777.66
  6. Step 6: Final answer
    x = 49,347.30

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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.