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Finding the Fourth Proportional to 104,176.71, 143,755.34 and 58,858.63

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Solution

The fourth proportional to 104,176.71, 143,755.34 and 58,858.63 is: 81,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.71 : 143,755.34 = 58,858.63 : x
  2. Step 2: Convert to fraction form
    104,176.71/143,755.34 = 58,858.63/x
  3. Step 3: Cross multiply
    104,176.71x = 143,755.34 × 58,858.63
  4. Step 4: Simplify right side
    104,176.71x = 8,461,241,354.51
  5. Step 5: Solve for x
    x = 8,461,241,354.51/104,176.71
  6. Step 6: Final answer
    x = 81,220.09

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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.