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Finding the Fourth Proportional to 272,443.84, 375,974.36 and 151,590.22

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Solution

The fourth proportional to 272,443.84, 375,974.36 and 151,590.22 is: 209,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,443.84 : 375,974.36 = 151,590.22 : x
  2. Step 2: Convert to fraction form
    272,443.84/375,974.36 = 151,590.22/x
  3. Step 3: Cross multiply
    272,443.84x = 375,974.36 × 151,590.22
  4. Step 4: Simplify right side
    272,443.84x = 56,994,035,946.76
  5. Step 5: Solve for x
    x = 56,994,035,946.76/272,443.84
  6. Step 6: Final answer
    x = 209,195.54

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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.