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Finding the Fourth Proportional to 64,822.60, 97,233.90 and 53,887.60

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Solution

The fourth proportional to 64,822.60, 97,233.90 and 53,887.60 is: 80,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.60 : 97,233.90 = 53,887.60 : x
  2. Step 2: Convert to fraction form
    64,822.60/97,233.90 = 53,887.60/x
  3. Step 3: Cross multiply
    64,822.60x = 97,233.90 × 53,887.60
  4. Step 4: Simplify right side
    64,822.60x = 5,239,701,509.64
  5. Step 5: Solve for x
    x = 5,239,701,509.64/64,822.60
  6. Step 6: Final answer
    x = 80,831.40

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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.