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Finding the Fourth Proportional to 104,555.37, 144,287.01 and 56,809.11

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Solution

The fourth proportional to 104,555.37, 144,287.01 and 56,809.11 is: 78,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.37 : 144,287.01 = 56,809.11 : x
  2. Step 2: Convert to fraction form
    104,555.37/144,287.01 = 56,809.11/x
  3. Step 3: Cross multiply
    104,555.37x = 144,287.01 × 56,809.11
  4. Step 4: Simplify right side
    104,555.37x = 8,196,816,622.66
  5. Step 5: Solve for x
    x = 8,196,816,622.66/104,555.37
  6. Step 6: Final answer
    x = 78,396.90

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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.