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Finding the Fourth Proportional to 150,187.33, 207,258.00 and 81,276.67

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Solution

The fourth proportional to 150,187.33, 207,258.00 and 81,276.67 is: 112,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,187.33 : 207,258.00 = 81,276.67 : x
  2. Step 2: Convert to fraction form
    150,187.33/207,258.00 = 81,276.67/x
  3. Step 3: Cross multiply
    150,187.33x = 207,258.00 × 81,276.67
  4. Step 4: Simplify right side
    150,187.33x = 16,845,239,430.80
  5. Step 5: Solve for x
    x = 16,845,239,430.80/150,187.33
  6. Step 6: Final answer
    x = 112,161.52

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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.