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Finding the Fourth Proportional to 159,649.95, 220,305.66 and 88,028.45

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Solution

The fourth proportional to 159,649.95, 220,305.66 and 88,028.45 is: 121,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,649.95 : 220,305.66 = 88,028.45 : x
  2. Step 2: Convert to fraction form
    159,649.95/220,305.66 = 88,028.45/x
  3. Step 3: Cross multiply
    159,649.95x = 220,305.66 × 88,028.45
  4. Step 4: Simplify right side
    159,649.95x = 19,393,164,674.50
  5. Step 5: Solve for x
    x = 19,393,164,674.50/159,649.95
  6. Step 6: Final answer
    x = 121,473.04

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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.