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Finding the Fourth Proportional to 89,847.16, 134,661.42 and 63,559.48

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Solution

The fourth proportional to 89,847.16, 134,661.42 and 63,559.48 is: 95,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.16 : 134,661.42 = 63,559.48 : x
  2. Step 2: Convert to fraction form
    89,847.16/134,661.42 = 63,559.48/x
  3. Step 3: Cross multiply
    89,847.16x = 134,661.42 × 63,559.48
  4. Step 4: Simplify right side
    89,847.16x = 8,559,009,831.26
  5. Step 5: Solve for x
    x = 8,559,009,831.26/89,847.16
  6. Step 6: Final answer
    x = 95,261.89

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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.