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Finding the Fourth Proportional to 65,570.67, 98,333.33 and 40,572.45

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Solution

The fourth proportional to 65,570.67, 98,333.33 and 40,572.45 is: 60,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570.67 : 98,333.33 = 40,572.45 : x
  2. Step 2: Convert to fraction form
    65,570.67/98,333.33 = 40,572.45/x
  3. Step 3: Cross multiply
    65,570.67x = 98,333.33 × 40,572.45
  4. Step 4: Simplify right side
    65,570.67x = 3,989,623,911.90
  5. Step 5: Solve for x
    x = 3,989,623,911.90/65,570.67
  6. Step 6: Final answer
    x = 60,844.64

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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.