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Finding the Fourth Proportional to 101,858.40, 140,581.44 and 59,416.89

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Solution

The fourth proportional to 101,858.40, 140,581.44 and 59,416.89 is: 82,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,858.40 : 140,581.44 = 59,416.89 : x
  2. Step 2: Convert to fraction form
    101,858.40/140,581.44 = 59,416.89/x
  3. Step 3: Cross multiply
    101,858.40x = 140,581.44 × 59,416.89
  4. Step 4: Simplify right side
    101,858.40x = 8,352,911,956.52
  5. Step 5: Solve for x
    x = 8,352,911,956.52/101,858.40
  6. Step 6: Final answer
    x = 82,005.14

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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.