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Finding the Fourth Proportional to 85,189.60, 127,809.08 and 35,260.48

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Solution

The fourth proportional to 85,189.60, 127,809.08 and 35,260.48 is: 52,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,189.60 : 127,809.08 = 35,260.48 : x
  2. Step 2: Convert to fraction form
    85,189.60/127,809.08 = 35,260.48/x
  3. Step 3: Cross multiply
    85,189.60x = 127,809.08 × 35,260.48
  4. Step 4: Simplify right side
    85,189.60x = 4,506,609,509.16
  5. Step 5: Solve for x
    x = 4,506,609,509.16/85,189.60
  6. Step 6: Final answer
    x = 52,900.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.