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Finding the Fourth Proportional to 254,501, 351,225.96 and 141,331.04

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Solution

The fourth proportional to 254,501, 351,225.96 and 141,331.04 is: 195,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,501 : 351,225.96 = 141,331.04 : x
  2. Step 2: Convert to fraction form
    254,501/351,225.96 = 141,331.04/x
  3. Step 3: Cross multiply
    254,501x = 351,225.96 × 141,331.04
  4. Step 4: Simplify right side
    254,501x = 49,639,130,201.80
  5. Step 5: Solve for x
    x = 49,639,130,201.80/254,501
  6. Step 6: Final answer
    x = 195,044.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.