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Finding the Fourth Proportional to 101,944.80, 152,867.52 and 42,764.40

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Solution

The fourth proportional to 101,944.80, 152,867.52 and 42,764.40 is: 64,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,944.80 : 152,867.52 = 42,764.40 : x
  2. Step 2: Convert to fraction form
    101,944.80/152,867.52 = 42,764.40/x
  3. Step 3: Cross multiply
    101,944.80x = 152,867.52 × 42,764.40
  4. Step 4: Simplify right side
    101,944.80x = 6,537,287,772.29
  5. Step 5: Solve for x
    x = 6,537,287,772.29/101,944.80
  6. Step 6: Final answer
    x = 64,125.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.