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Finding the Fourth Proportional to 98,346.54, 147,566.09 and 48,468.77

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Solution

The fourth proportional to 98,346.54, 147,566.09 and 48,468.77 is: 72,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,346.54 : 147,566.09 = 48,468.77 : x
  2. Step 2: Convert to fraction form
    98,346.54/147,566.09 = 48,468.77/x
  3. Step 3: Cross multiply
    98,346.54x = 147,566.09 × 48,468.77
  4. Step 4: Simplify right side
    98,346.54x = 7,152,346,876.01
  5. Step 5: Solve for x
    x = 7,152,346,876.01/98,346.54
  6. Step 6: Final answer
    x = 72,725.96

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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.