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Finding the Fourth Proportional to 104,670.31, 144,446.13 and 56,923.64

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Solution

The fourth proportional to 104,670.31, 144,446.13 and 56,923.64 is: 78,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.31 : 144,446.13 = 56,923.64 : x
  2. Step 2: Convert to fraction form
    104,670.31/144,446.13 = 56,923.64/x
  3. Step 3: Cross multiply
    104,670.31x = 144,446.13 × 56,923.64
  4. Step 4: Simplify right side
    104,670.31x = 8,222,399,864.63
  5. Step 5: Solve for x
    x = 8,222,399,864.63/104,670.31
  6. Step 6: Final answer
    x = 78,555.23

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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.