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Finding the Fourth Proportional to 159,657.48, 220,328.82 and 88,040.07

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Solution

The fourth proportional to 159,657.48, 220,328.82 and 88,040.07 is: 121,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,657.48 : 220,328.82 = 88,040.07 : x
  2. Step 2: Convert to fraction form
    159,657.48/220,328.82 = 88,040.07/x
  3. Step 3: Cross multiply
    159,657.48x = 220,328.82 × 88,040.07
  4. Step 4: Simplify right side
    159,657.48x = 19,397,764,735.82
  5. Step 5: Solve for x
    x = 19,397,764,735.82/159,657.48
  6. Step 6: Final answer
    x = 121,496.12

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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.