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Finding the Fourth Proportional to 88,903.68, 133,368.78 and 32,739.48

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Solution

The fourth proportional to 88,903.68, 133,368.78 and 32,739.48 is: 49,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,903.68 : 133,368.78 = 32,739.48 : x
  2. Step 2: Convert to fraction form
    88,903.68/133,368.78 = 32,739.48/x
  3. Step 3: Cross multiply
    88,903.68x = 133,368.78 × 32,739.48
  4. Step 4: Simplify right side
    88,903.68x = 4,366,424,505.43
  5. Step 5: Solve for x
    x = 4,366,424,505.43/88,903.68
  6. Step 6: Final answer
    x = 49,114.10

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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.