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Finding the Fourth Proportional to 98,347.86, 147,485.62 and 35,150.91

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Solution

The fourth proportional to 98,347.86, 147,485.62 and 35,150.91 is: 52,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,347.86 : 147,485.62 = 35,150.91 : x
  2. Step 2: Convert to fraction form
    98,347.86/147,485.62 = 35,150.91/x
  3. Step 3: Cross multiply
    98,347.86x = 147,485.62 × 35,150.91
  4. Step 4: Simplify right side
    98,347.86x = 5,184,253,754.91
  5. Step 5: Solve for x
    x = 5,184,253,754.91/98,347.86
  6. Step 6: Final answer
    x = 52,713.44

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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.