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Finding the Fourth Proportional to 159,659.64, 220,326.30 and 88,038.60

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Solution

The fourth proportional to 159,659.64, 220,326.30 and 88,038.60 is: 121,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,659.64 : 220,326.30 = 88,038.60 : x
  2. Step 2: Convert to fraction form
    159,659.64/220,326.30 = 88,038.60/x
  3. Step 3: Cross multiply
    159,659.64x = 220,326.30 × 88,038.60
  4. Step 4: Simplify right side
    159,659.64x = 19,397,218,995.18
  5. Step 5: Solve for x
    x = 19,397,218,995.18/159,659.64
  6. Step 6: Final answer
    x = 121,491.06

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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.