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Finding the Fourth Proportional to 100,437.75, 150,657.48 and 25,557.98

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Solution

The fourth proportional to 100,437.75, 150,657.48 and 25,557.98 is: 38,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,437.75 : 150,657.48 = 25,557.98 : x
  2. Step 2: Convert to fraction form
    100,437.75/150,657.48 = 25,557.98/x
  3. Step 3: Cross multiply
    100,437.75x = 150,657.48 × 25,557.98
  4. Step 4: Simplify right side
    100,437.75x = 3,850,500,107.40
  5. Step 5: Solve for x
    x = 3,850,500,107.40/100,437.75
  6. Step 6: Final answer
    x = 38,337.18

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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.