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Finding the Fourth Proportional to 285,051.56, 427,572.86 and 98,064.68

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Solution

The fourth proportional to 285,051.56, 427,572.86 and 98,064.68 is: 147,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,051.56 : 427,572.86 = 98,064.68 : x
  2. Step 2: Convert to fraction form
    285,051.56/427,572.86 = 98,064.68/x
  3. Step 3: Cross multiply
    285,051.56x = 427,572.86 × 98,064.68
  4. Step 4: Simplify right side
    285,051.56x = 41,929,795,692.58
  5. Step 5: Solve for x
    x = 41,929,795,692.58/285,051.56
  6. Step 6: Final answer
    x = 147,095.48

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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.