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Finding the Fourth Proportional to 159,807.54, 220,539.06 and 88,192.20

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Solution

The fourth proportional to 159,807.54, 220,539.06 and 88,192.20 is: 121,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,807.54 : 220,539.06 = 88,192.20 : x
  2. Step 2: Convert to fraction form
    159,807.54/220,539.06 = 88,192.20/x
  3. Step 3: Cross multiply
    159,807.54x = 220,539.06 × 88,192.20
  4. Step 4: Simplify right side
    159,807.54x = 19,449,824,887.33
  5. Step 5: Solve for x
    x = 19,449,824,887.33/159,807.54
  6. Step 6: Final answer
    x = 121,707.80

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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.