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Finding the Fourth Proportional to 272,026.30, 375,405.39 and 151,172.68

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Solution

The fourth proportional to 272,026.30, 375,405.39 and 151,172.68 is: 208,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,026.30 : 375,405.39 = 151,172.68 : x
  2. Step 2: Convert to fraction form
    272,026.30/375,405.39 = 151,172.68/x
  3. Step 3: Cross multiply
    272,026.30x = 375,405.39 × 151,172.68
  4. Step 4: Simplify right side
    272,026.30x = 56,751,039,083.29
  5. Step 5: Solve for x
    x = 56,751,039,083.29/272,026.30
  6. Step 6: Final answer
    x = 208,623.35

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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.