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Finding the Fourth Proportional to 150,852.48, 208,170.70 and 83,788.80

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Solution

The fourth proportional to 150,852.48, 208,170.70 and 83,788.80 is: 115,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,852.48 : 208,170.70 = 83,788.80 : x
  2. Step 2: Convert to fraction form
    150,852.48/208,170.70 = 83,788.80/x
  3. Step 3: Cross multiply
    150,852.48x = 208,170.70 × 83,788.80
  4. Step 4: Simplify right side
    150,852.48x = 17,442,373,148.16
  5. Step 5: Solve for x
    x = 17,442,373,148.16/150,852.48
  6. Step 6: Final answer
    x = 115,625.37

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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.