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Finding the Fourth Proportional to 104,878.21, 144,728.32 and 59,555.37

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Solution

The fourth proportional to 104,878.21, 144,728.32 and 59,555.37 is: 82,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,878.21 : 144,728.32 = 59,555.37 : x
  2. Step 2: Convert to fraction form
    104,878.21/144,728.32 = 59,555.37/x
  3. Step 3: Cross multiply
    104,878.21x = 144,728.32 × 59,555.37
  4. Step 4: Simplify right side
    104,878.21x = 8,619,348,647.08
  5. Step 5: Solve for x
    x = 8,619,348,647.08/104,878.21
  6. Step 6: Final answer
    x = 82,184.36

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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.