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Finding the Fourth Proportional to 64,746.27, 97,119.27 and 20,376.90

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Solution

The fourth proportional to 64,746.27, 97,119.27 and 20,376.90 is: 30,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.27 : 97,119.27 = 20,376.90 : x
  2. Step 2: Convert to fraction form
    64,746.27/97,119.27 = 20,376.90/x
  3. Step 3: Cross multiply
    64,746.27x = 97,119.27 × 20,376.90
  4. Step 4: Simplify right side
    64,746.27x = 1,978,989,652.86
  5. Step 5: Solve for x
    x = 1,978,989,652.86/64,746.27
  6. Step 6: Final answer
    x = 30,565.31

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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.