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Finding the Fourth Proportional to 104,019.71, 143,550.87 and 58,695.05

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Solution

The fourth proportional to 104,019.71, 143,550.87 and 58,695.05 is: 81,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,019.71 : 143,550.87 = 58,695.05 : x
  2. Step 2: Convert to fraction form
    104,019.71/143,550.87 = 58,695.05/x
  3. Step 3: Cross multiply
    104,019.71x = 143,550.87 × 58,695.05
  4. Step 4: Simplify right side
    104,019.71x = 8,425,724,823.49
  5. Step 5: Solve for x
    x = 8,425,724,823.49/104,019.71
  6. Step 6: Final answer
    x = 81,001.23

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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.