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Finding the Fourth Proportional to 272,219.76, 375,661.24 and 151,360.08

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Solution

The fourth proportional to 272,219.76, 375,661.24 and 151,360.08 is: 208,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,219.76 : 375,661.24 = 151,360.08 : x
  2. Step 2: Convert to fraction form
    272,219.76/375,661.24 = 151,360.08/x
  3. Step 3: Cross multiply
    272,219.76x = 375,661.24 × 151,360.08
  4. Step 4: Simplify right side
    272,219.76x = 56,860,115,339.30
  5. Step 5: Solve for x
    x = 56,860,115,339.30/272,219.76
  6. Step 6: Final answer
    x = 208,875.78

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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.