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Finding the Fourth Proportional to 65,156.48, 97,740.48 and 35,561.60

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Solution

The fourth proportional to 65,156.48, 97,740.48 and 35,561.60 is: 53,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,156.48 : 97,740.48 = 35,561.60 : x
  2. Step 2: Convert to fraction form
    65,156.48/97,740.48 = 35,561.60/x
  3. Step 3: Cross multiply
    65,156.48x = 97,740.48 × 35,561.60
  4. Step 4: Simplify right side
    65,156.48x = 3,475,807,853.57
  5. Step 5: Solve for x
    x = 3,475,807,853.57/65,156.48
  6. Step 6: Final answer
    x = 53,345.54

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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.