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Finding the Fourth Proportional to 159,051.08, 238,605.60 and 65,505.80

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Solution

The fourth proportional to 159,051.08, 238,605.60 and 65,505.80 is: 98,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,051.08 : 238,605.60 = 65,505.80 : x
  2. Step 2: Convert to fraction form
    159,051.08/238,605.60 = 65,505.80/x
  3. Step 3: Cross multiply
    159,051.08x = 238,605.60 × 65,505.80
  4. Step 4: Simplify right side
    159,051.08x = 15,630,050,712.48
  5. Step 5: Solve for x
    x = 15,630,050,712.48/159,051.08
  6. Step 6: Final answer
    x = 98,270.64

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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.