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Finding the Fourth Proportional to 98,255.54, 147,242.52 and 56,048.30

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Solution

The fourth proportional to 98,255.54, 147,242.52 and 56,048.30 is: 83,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.54 : 147,242.52 = 56,048.30 : x
  2. Step 2: Convert to fraction form
    98,255.54/147,242.52 = 56,048.30/x
  3. Step 3: Cross multiply
    98,255.54x = 147,242.52 × 56,048.30
  4. Step 4: Simplify right side
    98,255.54x = 8,252,692,933.72
  5. Step 5: Solve for x
    x = 8,252,692,933.72/98,255.54
  6. Step 6: Final answer
    x = 83,992.14

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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.