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Finding the Fourth Proportional to 100,677.51, 151,015.05 and 25,797.06

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Solution

The fourth proportional to 100,677.51, 151,015.05 and 25,797.06 is: 38,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,677.51 : 151,015.05 = 25,797.06 : x
  2. Step 2: Convert to fraction form
    100,677.51/151,015.05 = 25,797.06/x
  3. Step 3: Cross multiply
    100,677.51x = 151,015.05 × 25,797.06
  4. Step 4: Simplify right side
    100,677.51x = 3,895,744,305.75
  5. Step 5: Solve for x
    x = 3,895,744,305.75/100,677.51
  6. Step 6: Final answer
    x = 38,695.28

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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.