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Finding the Fourth Proportional to 243,886.78, 365,821.38 and 63,970.77

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Solution

The fourth proportional to 243,886.78, 365,821.38 and 63,970.77 is: 95,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,886.78 : 365,821.38 = 63,970.77 : x
  2. Step 2: Convert to fraction form
    243,886.78/365,821.38 = 63,970.77/x
  3. Step 3: Cross multiply
    243,886.78x = 365,821.38 × 63,970.77
  4. Step 4: Simplify right side
    243,886.78x = 23,401,873,749.34
  5. Step 5: Solve for x
    x = 23,401,873,749.34/243,886.78
  6. Step 6: Final answer
    x = 95,953.84

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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.