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Finding the Fourth Proportional to 159,759.12, 220,428.21 and 97,653.93

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Solution

The fourth proportional to 159,759.12, 220,428.21 and 97,653.93 is: 134,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,759.12 : 220,428.21 = 97,653.93 : x
  2. Step 2: Convert to fraction form
    159,759.12/220,428.21 = 97,653.93/x
  3. Step 3: Cross multiply
    159,759.12x = 220,428.21 × 97,653.93
  4. Step 4: Simplify right side
    159,759.12x = 21,525,680,989.37
  5. Step 5: Solve for x
    x = 21,525,680,989.37/159,759.12
  6. Step 6: Final answer
    x = 134,738.35

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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.