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Finding the Fourth Proportional to 54,210.60, 81,315.90 and 32,034.60

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Solution

The fourth proportional to 54,210.60, 81,315.90 and 32,034.60 is: 48,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,210.60 : 81,315.90 = 32,034.60 : x
  2. Step 2: Convert to fraction form
    54,210.60/81,315.90 = 32,034.60/x
  3. Step 3: Cross multiply
    54,210.60x = 81,315.90 × 32,034.60
  4. Step 4: Simplify right side
    54,210.60x = 2,604,922,330.14
  5. Step 5: Solve for x
    x = 2,604,922,330.14/54,210.60
  6. Step 6: Final answer
    x = 48,051.90

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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.