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Finding the Fourth Proportional to 144,484.86, 217,810.16 and 134,851.26

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Solution

The fourth proportional to 144,484.86, 217,810.16 and 134,851.26 is: 203,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,484.86 : 217,810.16 = 134,851.26 : x
  2. Step 2: Convert to fraction form
    144,484.86/217,810.16 = 134,851.26/x
  3. Step 3: Cross multiply
    144,484.86x = 217,810.16 × 134,851.26
  4. Step 4: Simplify right side
    144,484.86x = 29,371,974,516.80
  5. Step 5: Solve for x
    x = 29,371,974,516.80/144,484.86
  6. Step 6: Final answer
    x = 203,287.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.