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Finding the Fourth Proportional to 133,300.38, 199,950.54 and 53,374.32

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Solution

The fourth proportional to 133,300.38, 199,950.54 and 53,374.32 is: 80,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.38 : 199,950.54 = 53,374.32 : x
  2. Step 2: Convert to fraction form
    133,300.38/199,950.54 = 53,374.32/x
  3. Step 3: Cross multiply
    133,300.38x = 199,950.54 × 53,374.32
  4. Step 4: Simplify right side
    133,300.38x = 10,672,224,106.13
  5. Step 5: Solve for x
    x = 10,672,224,106.13/133,300.38
  6. Step 6: Final answer
    x = 80,061.47

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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.