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Finding the Fourth Proportional to 101,485.29, 140,015.57 and 59,008.89

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Solution

The fourth proportional to 101,485.29, 140,015.57 and 59,008.89 is: 81,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,485.29 : 140,015.57 = 59,008.89 : x
  2. Step 2: Convert to fraction form
    101,485.29/140,015.57 = 59,008.89/x
  3. Step 3: Cross multiply
    101,485.29x = 140,015.57 × 59,008.89
  4. Step 4: Simplify right side
    101,485.29x = 8,262,163,073.37
  5. Step 5: Solve for x
    x = 8,262,163,073.37/101,485.29
  6. Step 6: Final answer
    x = 81,412.42

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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.