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Finding the Fourth Proportional to 243,997.92, 365,848.56 and 101,671.20

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Solution

The fourth proportional to 243,997.92, 365,848.56 and 101,671.20 is: 152,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,997.92 : 365,848.56 = 101,671.20 : x
  2. Step 2: Convert to fraction form
    243,997.92/365,848.56 = 101,671.20/x
  3. Step 3: Cross multiply
    243,997.92x = 365,848.56 × 101,671.20
  4. Step 4: Simplify right side
    243,997.92x = 37,196,262,113.47
  5. Step 5: Solve for x
    x = 37,196,262,113.47/243,997.92
  6. Step 6: Final answer
    x = 152,445.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.