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Finding the Fourth Proportional to 143,277.61, 214,904.02 and 48,505.79

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Solution

The fourth proportional to 143,277.61, 214,904.02 and 48,505.79 is: 72,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,277.61 : 214,904.02 = 48,505.79 : x
  2. Step 2: Convert to fraction form
    143,277.61/214,904.02 = 48,505.79/x
  3. Step 3: Cross multiply
    143,277.61x = 214,904.02 × 48,505.79
  4. Step 4: Simplify right side
    143,277.61x = 10,424,089,264.28
  5. Step 5: Solve for x
    x = 10,424,089,264.28/143,277.61
  6. Step 6: Final answer
    x = 72,754.49

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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.