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Finding the Fourth Proportional to 84,633.86, 116,807.16 and 48,816.88

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Solution

The fourth proportional to 84,633.86, 116,807.16 and 48,816.88 is: 67,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.86 : 116,807.16 = 48,816.88 : x
  2. Step 2: Convert to fraction form
    84,633.86/116,807.16 = 48,816.88/x
  3. Step 3: Cross multiply
    84,633.86x = 116,807.16 × 48,816.88
  4. Step 4: Simplify right side
    84,633.86x = 5,702,161,003.91
  5. Step 5: Solve for x
    x = 5,702,161,003.91/84,633.86
  6. Step 6: Final answer
    x = 67,374.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.